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).
At the outset, I want to thank you for your kindness to me and for your compliments.
首先,我要感谢您对我的友爱和问候.