Thanks a million. I really appreciate it.

萬分感謝，真的是幫了我大忙啦。

I really appreciate what you’ve done for me these days.

我真的很感激這些天來你對我的幫助。

It’s very kind of you to help me.

你能幫助我真是太好了。

I really don’t know what I would have done without your help.

真不知道沒有你的幫助我該怎么辦。

Thank you for one of the most enjoyable visits we have had in many months.

在您處的參觀訪問，是我們幾個月中最愉快的一次。謹(jǐn)向您表示感謝。

Thank you for contributing so much to the pleasure of our staying.

感謝您給我們在這里停留期間帶來的那么多歡樂。

Thank you so much for your generous hospitality.

非常感謝您慷慨的款待。

You must give me the chance to return your kindness when you visit here.

您光臨我處時我定要借機(jī)答謝您的盛情。

Thank you very much (ever so much) (most sincerely) (indeed)(from the bottom of my heart).

很(非常)(最真誠地)(確實)(衷心)感謝您。

Thanks a million (ever so much).

萬分(非常)感謝。

It's generous of you to take so much interest in my work( togive me so much of your time) (to show me so much consideration).

承蒙您對我的工作如此操心(為我花費這么多時間)(對我如此關(guān)懷)。

I want to thank you for your kindness to me and for your compliments.

我要感謝您對我的友愛和問候。

（來源：新浪博客，英語點津 編輯）