他决定改掉熬夜的坏习惯。

He decided to doff his bad habit of staying up late.

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He decided to doff his bad habit of staying up late.

doff 是动词,由 do(做)和 off(离开)组成,本意是"脱下(衣物)"或"摘下(帽子)"。在这里用作比喻意义,表示"摆脱、戒除(习惯)"。

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