knock
翻譯
敲, 撞, 批評
例句
Please knock before you enter.
請在進入前敲門。
He knocked his head on the low ceiling.
他的頭撞在了低矮的天花板上。
Don't knock it until you've tried it.
在嘗試之前，不要批評它。
文法模式
((on/at sth.)) 敲擊（某物）. Please knock on the door.
((sth.)) ((on/against sth.)) 將（某物）撞到（某物）上. He knocked his head on the ceiling.
((sth.)) 批評（某事）. Don't knock it until you've tried it.
近義詞
同義詞: tap, rap, strike, hit (輕敲, 敲擊, 打)
詞源
源自古英語 'cnocian'，是一個擬聲詞。
記憶技巧
想像一下「叩叩」的敲門聲。這個聲音就是這個詞。