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。

　　Please convey my gratitude to her.

　　請(qǐng)向她轉(zhuǎn)達(dá)我的謝意。

　　Kathy expressed her gratitude to me.

　　凱西向我表達(dá)了感謝。

　　No words can fully express my gratitude.

　　千言萬語也表達(dá)不盡我的感激心情。

　　We have to show our gratitude in some way.

　　我們必須以某種方式表達(dá)我們的感激之情。