Believe me,I am truly grateful for...我确实真诚地感谢你。
Did you sleep soundly last night?你昨晚睡得好吗？
Do you have anything to declare? 你有什么东西要向海关申报的吗？
Do you like to take a local train or an express? 你想坐普通车还是特快？
Good try,but not quite right是个很好的.尝试，但并不完全正确。
How are you getting along these days? I miss you very much.你近来过得如何？我十分想念你。
How are you?你好吗？
How is everything?一切都好吗？
I have been so busy recently that I could hardly find any time to write.我最近挺忙，未能抽出时间给你写信。
I hope everything is all right.我希望(你)一切都好。晚安短信.
I regret very much that I did not have an opportunity to thank you personally for ... 未能面谢，深表遗憾。
I was very happy to receive your letter of October 10th.我很高兴收到你10月10日的来信。
I’m sorry I took so long to reply.很报歉给你回信晚了。问候短信.
It is a hopeless(definite)(positive)understatement to say that I am deeply (sincerely)(truly)grateful. 这就是说“我深深的（真挚的）（真诚的）感谢”远不足以（不能确切）（不能明确）表达我的谢意。
It‘s generous of you to take so much interest in my work( to give me so much of your time) (to show me so much consideration).承蒙对我的工作如此操心（为我花费这么多时间）（对我如此关怀）。
It’s a long time since I got your last letter.我收到你的信已经很长一段时间了。晚安短信.
Many thanks for the wonderful present you sent me.谢谢你寄给我那么好的礼物。
Thank you for writing to me.谢谢你给我写信。
We were deeply touched by ... ……使我们深受感动。
Your letter came into my hand yesterday.我是昨天收到你的来信的。