He had suffered a mild concussion in a scrap for a loose ball.

在一次争球引起的打架中他被打成轻度脑震荡。

《柯林斯英汉双解大词典》

Ricardo Carvalho sustained a jagged left lower eyelid bruise with mild concussion.

卡瓦略左眼皮下擦破，加外带轻微脑震荡。

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Turiaf did not return to the game, and although the concussion is considered "mild", he might have to miss more time with this injury.

尽管这次冲撞相当“轻微”，但是图里亚夫之后一直没有返回到赛场上，他也可能因此而缺失一些比赛。

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The Bruins played without leading goal scorer Brad Marchand, who sat out because of a mild concussion.

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Victims who suffer injuries including a broken nose, mild concussion, temporary deafness or minor burns will be among those no longer eligible.

BBC: A victim of crime

Vucevic sat his third straight game while dealing with a mild concussion.

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