Thank you for one of the most memorable days of my trip.
爲了旅途中最值得紀念的一天，謹向您表示感謝。
Thank you for one of the most enjoyable visits we have had in many months/ for some time.
在您處的參觀訪問，是我們幾個月（一段時間）中最愉快的一天。謹向您表示感謝。
Thank you for doing so much to make my trip to New York interesting/ pleasant / fruitful.
爲了使我去紐約的旅遊有趣（愉快）（大有收穫），您做了許多事，特此致謝。
Thank you so much for your generous hospitality.
非常感謝您慷慨的款待。
I hope something will bring you to New York soon， so that I can return/ reciprocate your kindness/ hospitality.
希望不久您能有機會到紐約來，使我能答謝您的`盛情款待。
You must give me an opportunity to return your kindness when you visit my home.
希望您光臨我處，使我能答謝您的盛情。
Thank you very much indeed / ever so much/ so much.
最真誠地（確實）（非常）感謝您。
Many thanks for your kind/ warm letter.
感謝您友好（熱情）的來信。
Thanks a million / ever so much.
萬分（非常）感謝。
Please accept my sincere / profound appreciation / gratitude for ……
請接受我真摯的（衷心的）（深切的）感謝……
I sincerely / deeply appreciate……
我真摯地（深深地）感謝……
There is nothing more important / gratifying to me than receiving one of your letters.
再也沒有比收到您的來信更使我覺得重要（感激）了。
Your letters are so much fun/ entertaining.
您的來信充滿了樂趣（帶來了歡樂）。
Your most courteous/ considerate/ delightful letter……
您那彬彬有禮（體貼入微）（令人欣慰）的來信……
I cannot tell you how much your letter relieved/ delighted/ amused me.
我無法告訴您，您的來信使我多麼高興（寬慰）（陶醉）。
I love the way you describe/ say/ put things in your letters. You make even the smallest incident seem so interesting/ important/ amusing/ charming.
我很欣賞您在信中描述各種事物的手法。您的妙筆使微小的事情都顯得很有趣（重要）（動人）（神祕）。
It was （ very ） good/ （ very ） kind/ （ very ） thoughtful of you……
承蒙好意（美意）（盛情）（關心）……
At the outset， I want to thank you for your kindness to me……
首先，我要感謝您對我的友愛和問候……
Believe me， I am truly grateful for……
我確實真誠地感謝你……
We were deeply touched by……
……使我們深受感動。
I regret very much that I did not have an opportunity to thank you personally.
未能面謝，深表遺憾。
