每日商務英語 第790期: 睜眼瞎

blind as a bat ------ 睜眼瞎（成語）

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英文釋義

(IDIOM) Completely blind; unable to move safely.

例句

Without my glasses, I am blind as a bat, so I have two pairs in case I lose one of them.

不戴眼鏡，我就成了睜眼瞎，所以我有兩副眼鏡，以防其中之一丟失。