used to tell someone that you are grateful because they have given you something or done something for you

That was a delicious lunch, thank you. 午餐很好吃，谢谢你。

"Here's your coffee." "Thank you very much (indeed)." “这是你的咖啡。”“非常感谢。”

Thank you for my birthday present. 谢谢你送给我生日礼物。

said when you are answering a polite question or remark

"How are you?" "I'm fine, thank you." “你好吗？”“我很好，谢谢。”

"You look very nice in that dress." "Thank you very much." “你穿那条裙子很漂亮。”“多谢夸奖。”

said to politely accept or refuse something that has been offered to you

"Would you like some more cake?" "Yes, I will have a small piece, thank you." “你还要点蛋糕吗？”“嗯，我再要一小块，谢谢。”

"Do you need any help?" "No, thank you." “你需要帮忙吗？”“不用，谢谢。”

said to show your disapproval of something

I don't want to hear that kind of language, thank you (very much). 我不想再听到那种话，谢谢。

something that you say or do in order to show that you are grateful for something

I'd like to say a big thank you to everyone for all their help. 我要向所有帮助过我的人表示衷心的谢意。

[ before noun ] He wrote a thank-you note/letter to his aunt to thank her for the birthday present she sent him. 他给姨妈写了封致谢信，感谢她送的生日礼物。