1. Thanks a lot(多謝)
例：Thanks a lot for looking after the children.
2. Thanks very much(非常感謝)
例：Thanks very much for making dinner tonight.
3. Thank you very much(非常感謝妳)
例：Thank you very much for dinner – it was great.
4. Thank you so much(太謝謝妳了)
例：Thank you so much for helping me out today.
*註* Thanks相比Thank you更口語化，後者更正式、感情更豐富壹些。
6. Many thanks(多謝)
這是在信件往來中常用的正式說法，比如和客戶、供應商等商務對象往來時說這句客套話。
例：Many thanks for the lovely present.
7. Appreciate(感謝)
這個單詞用來禮貌地向某人表示感謝，表示妳對別人做的某件事很感激。
例：I appreciate your concern, but honestly, I'm fine.
8. Much obliged(深表謝意、感激不盡)
這是壹種極其正式的謝謝說法，所以被使用的頻率也較低，不常見到人用。
例：I am much obliged to you for your patience during the recent difficulties.
9. I owe you one/I owe you big time.(我欠妳個人情/我欠妳壹個大人情)
同樣在別人幫了妳大忙後，妳還可以說這句話來表示妳心中的感恩戴德之情。
例：
You got me promoted. I owe you one.
You helped me out with the essay. I owe you big time.
10. You’re too kind(妳真是太好了)
這是壹種禮貌地表達感謝的方式，通常在語氣上比起其他的詞語更加誠懇、真實。
例：Thank you for for the glowing praise. You’re too kind.
擴展資料：
英文書信作文常用感謝信的句子：
1. Thank you so much for …….
2. I would like to thank you from the bottom of my heart for……
3. I’m writing to express my sincere gratitude for……
4. I’m grateful to you for ……
5. I truly appreciate your ……
6. Words fail to convey my gratitude to you.