一般说：Thank you very much/ Thank you so much!非常感谢Thanks a lot/ a milliom 十分感谢Many thanks很感谢Too many thanks十分感谢A thousand thanks./Thanks a million./Thanks a bunch/Thanks a bundle/Thanks heaps以千百万计或成束(bunch, bundle) 成堆(heaps)的道谢，略觉夸张Thank you very much /ever so much/most sincerely/indeed/from the bottom of my heart很（非常）（最真诚地）（确实）（衷心）感谢您。多用于书信中。