【俚语】

Speechless 无语的，哑口无言的

【例句】

Every time he asked me to treat him to dinner. I am speechless.
每次他都让我请他吃饭，真是无语。

Be lost for words 说不出话来的

【例句】

I was lost for words when she said that to me.
当她给我说那些话的时候，我很无语。
Mary was lost for words when she was awarded the prize.
玛丽被授予该奖项的时候激动得说不出话来。

Be struck dumb 震惊得哑口无言

【例句】

We were all struck dumb by my father's announcement that he was resigning from the company.
我父亲宣布他要从公司辞职，我们都惊呆了。

Tongue-tied
通常因紧张而张口结舌的，说不出话的

【例句】

Why do you get tongue-tied in front of a crowd?
你为什么在众人面前谁不出话来？

Roll your eyes 翻白眼

【例句】

When he asked the same question again I saw her roll her eyes.
当他再问到同样的问题时，我看到她翻白眼了。