2025-05-22 05:14:40
精选答案
knock at和knock down都是敲的意思,二者区别不大。
细微的区别在at和down上。at强调一个点,down强调面。at 常和knock 名词形式连用;down常和knock 动词形式连用。如,There was a light knock at the door. 有人在轻轻地敲门。He went up the garden path to knock down the door.他穿过花园小径去敲门。
2025-05-22 05:14:40
其他答案
knock down是“及物动词+副词”构成的短语,可以说knock+名词+down或knock+down+名词,但只能说knock+代词+down。同类动词短语还有:turn down,turn on,take off,put away,throw away,break down等
knock at/on意为“敲(门、窗等)。
Who is knocking at the door?谁在敲门?
Somebody is knocking on the window. 有人在敲窗。
