1，写英文书信时sincerely与sincere用法的区别
Sincerely是英文信件落款前的百搭词，不管对方是认识还是不认识，是私人信函还是为公务往来，都可以用，习惯上书写为：Yours sincerely,（换行，与 Y 字母上下对齐书写你的名字）Sincere 就是 Sincerely 的原型，与信件格式用语没有关系，就是一个普通的英语形容词：表示感情或行为方面的真诚或真实，还可以表示某人的坦诚、直率。
2，since和for表示原因时有什么区别及用法？
since侧重主句，for不表示直接原因，表明附加或推断的理由，因此for被看作等立连词。since侧重主句，从句表示显然的或已为人所知的理由，常译为“因为”、“既然”，语气比because稍弱，通常置于句首，表示一种含有勉强语气的原因。例如：(1)Since he asks you, you”ll tell him why.for用作连词时，与because相似，但它所表示的原因往往提供上文未交待过的情况。for不表示直接原因，表明附加或推断的理由，因此for被看作等立连词，它所引导的分句只能放在句子后部(或单独成为一个句子)，并且前后两个分句间的逻辑关系不一定是因果关系，其间用逗号隔开，且for不可置于句首，for的这一用法常用在书面语中，较正式。例如：(1)The days are short, for it is now December.白天短了，因为现在已是十二月份。前后两个分句间有一定的因果关系时(有时很难区分是直接原因，还是推测性原因)，for与because可以互换使用。
3，表达爱情的英语句子
i wanna be your girl (歌词）挺经典的
还有告白的稍微那个温存点的
I love you not because who you are,but because who I am when I am with you.我爱你不是因为你是谁,而是我在你面前是谁。
2.No man or woman is worth your tears,and the one who is,won't make you cry.没有男人或女人值得你流泪,值得的那位不会让你哭泣。
3.Atrue friend is some one who reaches for your hand and touches your heart.一个真正的朋友是向你伸出手,触动你心灵的人。
4.The worst way to miss some one is to be sitting right beside him knowing you can't have him.想念一个人最糟糕的方式就是坐在他身旁,而知道你不能拥有他。
5.Never frown,even when you are sad,because youn ever know who is falling in love with your smile.就算你不快乐也不要皱眉,因为你永远不知道谁会爱上你的笑容。
6.To the world you may be one person,but to one person you may be the world.在世界上你可能只是某人,但对于某人你可能是世界。
7.Don't cry because it is over,smile because it happened.不要因为完结而哭泣,要为曾经发生而微笑。
8.Make yourself a better person and know who you are before you try and know someone else and expect them to know you.在你尝试了解他人和盼望他人了解你之前,先把你变成一个更好的人和了解自己的人。
9.Don't try so hard,the best things come when you lease expect them to.不要太努力去找,最好的事情是在最预计不到的时候出现的。
10.Life is apure flame,and we live by an invisible sun within us.生命是一束纯净的火焰,我们依靠自己内心看不见的太阳而存在
好像有点肉麻。嘿嘿。还有呢
这些是真的经典：：
1、Believe me, I was prepared for everything, except you.
2、-May be I was a bird in another life.
-If you are a bird, I'm a bird.
出自《手札情缘》
3、You complete me.你使我完美起来
You had me at Hello.在第一次见面时你就拥有了我
4、I love that you are the last person I wanna talk to before I gonna sleep.
我希望你是我社交前最想聊天的那个人
5、I love you, I always have.
6、Choose me, marry me. Let me make you happy.
出自《我最好朋友的婚礼》
7、Love means never having to say you are sorry.
爱，意味着永不说后悔
8、When I'm out, take me as the wind.
如果我不在就把我当作风
9、I love you not beacause who you are, but because who I am when i am with you.
10、To the world you may be one person, but to one person you may be the world.
还有啊One Minute to say "I love You",One Hour to explain it,A whole life to prove it
用一分钟说”我爱你”，一小时去解释这句话，用一生去证明这句话
2) No man or woman is worth your tears, and the one who is, won't make you cry.
没有人值得你流泪，值得让你这么做的人不会让你哭泣。
3) The worst way to miss someone is to be sitting right beside them knowing you can't have them.
失去某人，最糟糕的莫过于，他近在身旁，却犹如远在天边。
4) Never frown, even when you are sad, because you never know who is falling in love with your smile.
纵然伤心，也不要愁眉不展，因为你不知是谁会爱上你的笑容。
5) To the world you may be one person, but to one person you may be the world.
对于世界而言，你是一个人；但是对于某个人，你是他的整个世界。
6) Don't waste your time on a man (woman), who isn't willing to waste their time on you.
不要为那些不愿在你身上花费时间的人而浪费你的时间。
7) Just because someone doesn't love you the way you want them to, doesn't mean they don't love you with all they have.
爱你的人如果没有按你所希望的方式来爱你，那并不代表他们没有全心全意地爱你。
8) Don't try so hard, the best things come when you least expect them to.
不要着急，最好的总会在最不经意的时候出现。
9) Maybe God wants us to meet a few wrong people before meeting the right one, so that when we finally meet the person, we will know how to be grateful.
在遇到梦中人之前，上天也许会安排我们先遇到别的人；在我们终于遇见心仪的人时，便应当心存感激。
10) Don't cry because it is over, smile because it happened.
不要因为结束而哭泣，微笑吧，为你的曾经拥有
11)let this be my last word , i trust thy love
这是我的最后一句话，我相信你的爱
12）Ever has it been that love knows not its own depth until the hour of separation.
从来就是别离时，才知爱有多深。
13）Listen, my heart, to the whispers of the world with which it makes love to you.
静静地听，我的心呀，听那世界的低语，这是它对你求爱的表示呀。
14）I love you not because of who you are, but because of who I am when I am with you.
我爱你，不是因为你是一个怎样的人，而是因为我喜欢与你在一起时的感觉。
15）With love one can live even without haooiness.
有爱，即使没有幸福，一个人也能生存。
二）
1想你，是一种美丽的忧伤的甜蜜的惆怅，心里面，却是一种用任何语言也无法表达的温馨。
It is graceful grief and sweet sadness to think of you, but in my heart, there is a kind of soft warmth that can’t be expressed with any choice of words.
2、你知道思念一个人的滋味吗，就像喝了一大杯冰水，然后用很长很长的时间流成热泪。
Do you understand the feeling of missing someone? It is just like that you will spend a long hard time to turn the ice-cold water you have drunk into tears.
3、我知道你最喜欢这首歌，我也知道你的心思，我想你。
I know you like this song most and I know what you are thinking about ,too, I miss you .
4、常常想起曾和你在一起的那些日子。开心、快乐、幸福、失落、伤心、痛苦的所有日子。很想你，很想你……
Those days when we were together appear in my mind time after time, because they were so joyful, happy, blest, disappointing, sad and painful. I miss you ,and miss you so mach……
5、你知道么，有个人时时想念着你，惦记你，你含笑的眼睛，象星光闪闪，缀在我的心幕上，夜夜亮晶晶。
Do you know there is someone thinking of you and caring you all the time ? Your smiling eyes are just like the sparkling stars hanging on the curtain of my heart.
6、心要让你听见，爱要让你看见，不怕承认对你有多眷恋；想你的时候，盼你能收到我的真情留言！
Listening to my heart beating. Seeing how much I love you ,I dare to admit how much I love you .When thinking of you, I hope you can receive the passionat words I left for you!
7、不是因为寂寞才想你，是因为想你才寂寞。孤独的感觉之所以如此之重，只是因为太想你。
I miss you not because of my loneliness but I do feel lonely when I miss you. Only when I miss you deeply I feel so lonely.
8、长长的思念，就像风筝断了线，飘啊飘啊，飘到你的身边。
I miss you so deeply that my love just like a kite has broken its line and won’t stop flying until it reaches you at last.
9、好想，好想你！如果清风有情，请带去我对你的思念，这一生都为你牵挂；如果白云有意，请带去我对你的爱恋，生生世世都愿和你共缠绵！
Oh, How much I miss you! If the passionate refreshing breeze knows my heart, it can tell you that I miss you and care you for my life’s time. If graceful white cloud knows my heart, it can tell you I love you and would be together with you forever.
10、在这充满温馨的季节里，给你我真挚的祝福及深深的思念。
In such a soft and warm season, please accept my sincere blessing and deep concern for you.
11、一份不渝的友谊，执着千万个祝福，给我想念的朋友，温馨的问候。
For our ever-lasting friendship, send sincere blessings and warm greetings to my friends whom I miss so much.
12、在这快乐分享的时刻，思念好友的时刻，美梦成真的时刻，祝你—新年快乐，佳节如意！
Wish you a happy new year and a good fortune in the coming year when we will share our happiness, think of our good friends, and our dreams come true!
13、但愿会在梦中再见到我心爱的女孩！
Wish to meet my angle again lovely girl in my dream!
14、难道你怕一个深爱着你的痴情儿？
Do you fear a love fool who is loving you so deeply?
15、我要幸福的昏倒了！
I am too happy to stand faint!
16、月亮代表我的心！
The moonlight stands for my heart!
17、过得好么？希望世界因你而美丽！
How are you getting on ? I hope that the word will become more beautiful because of you!
18、你在时你是一切，你不在时一切是你！
You are everything when you are with me, and everything is you when you are not.
19、我不知道我是否真的爱，但是我知道我不能没有你，如果地球将要毁灭，那么我要告诉你“你是我唯一想见的人”。
I don’t know whether I really love you, but I know I cannot lose you. If the earth is going to be destroyed I want to tell you that you are the only one I want to see.
20、遇上一个人要一分钟的时间，喜欢一个人只需一小时的时间，爱上一个人要一天的时间，可要我忘记你却要用上一生的时间。
I can meet a person in a minute, like a person in an hour and love a person in a day, but it will take me a whole life to forget you.
21、在每个想念的日子，想你不容易，不想你更难，愿以一片难懂的心情，深深思念你！情人节快乐！
Every day I miss you. It is a hard time for me to miss you but it is even harder not to do so. In such a contrary mood, I miss you deeply! A happy Valentine’s Day to you!
22、在你抑郁的时候，我就是你的开心果。在你忧伤的时候，我愿作你的忘忧树！
I will make you happy when you are depressed. I will make you delighted when you are in great sorrow!
23、正是因为爱才悄悄的躲开，躲开的是身影，躲不开的是默默的情怀；今天我终于鼓起勇气，向你表达我的爱。
Because of loving you so much that I stood aside. Although my figure left you away, my heart didn’t. Today I have made up my mind to say “I love you”.
24、只要你愿意，当你失落失意的时候，最需要一个肩膀的时候，告诉我，我会立即出现。
As long as you are willing, please let me know what I can do for you. When you are unhappy and want to cry on somebody’s shoulder, I will stand before you immediately.
25、思念中我一千次一万次地问鸿雁问明月问春风，愿鸿雁将我的眷恋捎给你；愿明月将我的问候带给你；愿春风将我的关切送给你！
I pray for the swan goose, the moonlight and the spring breeze for thousands of times, wishing the swan goose can bring my miss to you; the moonlight can convey my greeting to you ; the spring breeze can send my care to you!26、不同的时间，不同的地点，不同的人群，相同的只有你和我；时间在变，空间在变，不变的只有对你无限的思念！
You and I remains the same in different time, at different places,among different people; time is changing, space is changing and everything is changing except my miss to you!
27、没有杯子……咖啡是寂寞的……没有你……我是孤独的……
Coffee is lonely without cups. I am lonely without you.
28、每一天都为你心跳，每一刻都被你感动，每一秒都为你担心。有你的感觉真好。
My heart beats for you every day. I am inspired by you every minute, and I worry about you every second. It is wonderful to have you in my life.
29、你可知我百年的孤寂只为你一人守侯，千夜的恋歌只为你一人而唱。
You know my loneliness is only kept for you, my sweet songs are only sung for you.
30、如果活着，是上帝赋予我最大的使命，那么活者有你，将会是上帝赋予我使命的恩赐……
If living on the earth is a mission from the lord… living with you is the award of the lord…
31、我不要短暂的温存，只要你一世的陪伴。
I prefer having your accompanying for life-long time to the short-time tenderness.
32、我想将对你的感情化作暖暖的阳光，期待那洒落的光明能温暖你的心房。
I want that my love to you will turn into bright sunlight so that to warm your heart.
33、我想将对你的思念寄予散落的星子，但愿那点点的星光能照进你的窗前，伴你好梦。
I send my miss to the scattering stars and wish you a sweet dream under the light shedding through your window.
34、我在忧愁时想你，就像在冬天想太阳；我在快乐时想你，就像在骄阳下想树阴。
I miss you when I am depressed, just as I miss the sunlight in winter; I miss you when I feel happy, just as I miss the shade in the hot sun.
35、曾经迷惘的心中，是你牵引我走出寂寞。
It’s you that led me out of the loneliness when I was lost in my mind.
36、千万个思念，在空气中凝固。扬起风吹向你，带着我的祝福，寂寞我不在乎，你快乐我就满足，想你是我的幸福！
Thousand of time I have thought of you .My heart is going high into the air and flying with my blessing towards you I don’t care loneliness. I am satisfied when you are happy and I am happy when I think of you!
其实最亘古不变的，还是I LOVE YOU吧。
呵呵
4，your sincerely是什么意思
yours sincerely
n.谨上（书信结尾用语）; 敬启（书信结尾用语）; 鄙人，我;
例句:
His letter of resignation, they note, ended with a curt "yours sincerely", rather than thetraditional self-abasing deference.
他们注意到哈苏奈的辞职信以一个简短的“此致”收尾，而不是带着传统的自我作践式的顺从口气。
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