thank you
- a polite expression used when acknowledging a gift, service, or compliment, or accepting or refusing an offer谢谢：
thank you for your letter
谢谢你的信
no thank you, I'll give it a miss.
不说谢谢了, 我不来参加了。
- an instance or means of expressing thanks:感谢, 感激：
Lucy planned a party as a thank you to hospital staff
露西筹划了一个晚会感谢医院的全体员工
as modifier thank-you letters.感谢信。