knock
翻译
敲, 撞, 批评
例句
Please knock before you enter.
请在进入前敲门。
He knocked his head on the low ceiling.
他的头撞在了低矮的天花板上。
Don't knock it until you've tried it.
在尝试之前，不要批评它。
语法模式
((on/at sth.)) 敲击（某物）. Please knock on the door.
((sth.)) ((on/against sth.)) 将（某物）撞到（某物）上. He knocked his head on the ceiling.
((sth.)) 批评（某事）. Don't knock it until you've tried it.
近义词
同义词: tap, rap, strike, hit (轻敲, 敲击, 打)
词源
源自古英语 'cnocian'，是一个拟声词。
记忆技巧
想象一下“叩叩”的敲门声。这个声音就是这个词。