I would like to express my gratitude to everyone for their hard work.

　　我要對(duì)所有辛勤勞動(dòng)的人表示感謝。

　　I wish to express my gratitude to Kathy Davis for her immense practical help.

　　凱茜·戴維斯實(shí)實(shí)在在地幫了大忙，我想對(duì)她表示感謝。

　　I can hardly express my gratitude to you for your help.

　　對(duì)于你的幫助，我?guī)缀蹼y以表達(dá)我的謝意。

　　No words can fully express my gratitude.

　　千言萬語也表達(dá)不盡我的感激心情。

　　Words can hardly express our gratitude to you.

　　我們對(duì)你的感激難以用語言表達(dá)。