Thanks a million (ever so much).
万分(非常)感谢。
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).
承蒙您对我的工作如此操心(为我花费这么多时间)(对我如此关怀)。
I want to thank you for your kindness to me and for your compliments.
我要感谢您对我的友爱和问候。