I would like to express my gratitude to everyone for their hard work.
我要對所有辛勤勞動的人表示感謝。
I wish to express my gratitude to Kathy Davis for her immense practical help.
凱茜·戴維斯實實在在地幫了大忙，我想對她表示感謝。
I can hardly express my gratitude to you for your help.
對于你的幫助，我幾乎難以表達我的謝意。
No words can fully express my gratitude.
千言萬語也表達不盡我的感激心情。
Words can hardly express our gratitude to you.
我們對你的感激難以用語言表達。