be at a loss idiom
C2 不知所措;不知说什么
not to know what to do or say
I'm at a loss to know how I can help you. 我不知道该怎么帮你。
It was unlike him to be at a loss for words. 他一副不知所措的样子，这可不像他。
| 单词 | be at a loss |
| 释义 | be at a loss idiom C2 不知所措;不知说什么 not to know what to do or say I'm at a loss to know how I can help you. 我不知道该怎么帮你。 It was unlike him to be at a loss for words. 他一副不知所措的样子，这可不像他。 |
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