She was gaping at it, lost for words.

她目瞪口呆地看着这场面，一时语塞。

柯林斯例句

I'm lost for words — it's fantastic.

我无以言表——太精彩了。

柯林斯例句

The reply took him so much aback that for a moment he was lost for words.

这个答复令他猝不及防,一时不知道说些什么好.

《简明英汉词典》

But in your presence I am lost for words.

可你一出现我却梗塞了,说不出话来.

互联网

Though I'm with you I am lost for words and nothing is for real.

与你相聚时我呆哑,不知该说些什么.

互联网

When he told me what she'd done to him I was lost for words.

他告诉我她对他的所作所为时,我惊讶得说不出话来.

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