我欠你的情。
I owe you one.
I'm much obliged. (万分感谢。)*比较礼貌的说法。be obliged表示“感谢，感激”，多在美国南部使用。
I'm in your debt. *in one's debt “向……借过钱”，引申为“受……的恩惠”，比较强调感谢的心情。 
谢谢你送给我的礼物。
Thanks a lot for your present.
Thank you for your gift. 
您能这样说，我非常感谢。 
Thanks for saying so.
I really like your apartment. (我真的喜欢你的公寓。)
Thanks for saying so. (您能这样说，我非常感谢。)
It's nice of you to say so. 
谢谢你告诉我。 
Thanks for telling me.
You have a run in your stocking. (你的丝袜跳线了。)
Thanks for telling me. (谢谢你告诉我。)
Thanks for letting me know. 来源：考试大
非常感谢你等着我。 
Thanks for waiting for me.
Sorry to have kept you waiting. (对不起，让你久等了。)
Sorry, I'm late. (对不起，我晚了。) 
谢谢你约我出来。
Thanks for asking me out. *ask someone out 一般是“约会”的意思。
Thanks for inviting me. (谢谢您邀请我。) 
谢谢你鼓励我。 
Thanks for cheering me up. *cheer up “鼓励”、“打起精神”、“鼓足勇气”。
Thank you for making me feel better. 
你救了我一命。 
You saved my life.来源：考试大
Watch out! Stop! (小心!站住!)
Thanks, you saved my life. (谢谢，你救了我一命。) 
谢谢你对我的忠告。
Thanks for warning me.
Thanks for the warning.
Thanks for telling me. (谢谢你告诉我。) 
谢谢你不远万里专程跑一趟。 
Thanks for coming all the way over here.
Thanks for coming all the way over here. (谢谢你大老远专程跑一趟。)
It was no trouble. (这没什么大不了的。) 
谢谢你的来信，你对我太好了。 来源：考试大
Thank you for your letter. It was very kind of you.
Thank you for your letter. It was very kind of you. (谢谢你的来信，你对我太好了。)
You're welcome. (这没什么。)