动词
中文翻译：使失去知觉
同义词：
['overwhelm', 'knock down', 'knock out例句：1. The game was so intense that the players were knocked out.（比赛非常激烈，球员们都筋疲力尽了。）']
例句：
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1. The game was so intense that the players were knocked out.
比赛非常激烈，球员们都筋疲力尽了。
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2.He knocked out the opponent with a powerful punch.
他用一记重拳击败了对手。
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3.The marathon runners were knocked out by the heat and exhaustion.
马拉松跑者被炎热和疲惫击倒。