动词短语
中文翻译：Unknown
同义词：
["hit someone's head on", 'knock someone down', 'knock someone over']
例句：
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1. The ball bounced off the wall and knocked his head on the floor.
球弹到了墙上，把他的头打在了地板上。
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2. She knocked her coffee cup to the ground and spilled its contents.
她把她的咖啡杯摔到了地上，洒了一地。
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3. He knocked his chair over when he sat down too hard.
他坐得太用力，把椅子给弄倒了。