他在比赛时不小心又弄伤了之前受伤的膝盖。

He accidentally re-injured his knee while playing the game.

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He accidentally re-injured his knee while playing the game.

re-injured 是动词 re-injure 的过去式,由前缀 re-(表示"再次")和动词 injure("伤害、损伤")组成,字面意思是"再次伤害",特指"使之前受伤的部位再次受伤"。 injure 本身表示"使受伤、损害",加上 re- 前缀后强调是重复性的伤害动作。

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