Thanks a lot/Thanks a bunch/I appreciate it/It means a lot to me/I don't know what to say/That was kind of you/Thank you so much/Thank you very much.
后面加上不同的词，就成了Thank you so much. / Thank you very much. / Thanks a lot./ Thanks a bunch。
2. I can't thank you enough.
Can't do sth enough就是再怎么都不为过，这句话就是无法形容对你有多感谢，感激不尽。
"I've bought you a drink." "Cheers, mate."
4. I appreciate it.
We really appreciate all the help you gave us last weekend.
5. I'm grateful for that/it.
6. It means a lot to me.
7. That was very kind of you.
It was great/awesome/thoughtful of you.
8. Oh, you shouldn't have.
9. I don't know what to say.