knock on

knock on读音音标

英 [nɔk ɔn]

美 [nɑk ɑn]

knock on意思解释

释义

敲击；

（使）增加；

不停地工作；

取消

英英释义

n.

(rugby) knocking the ball forward while trying to catch it (a foul)

双语例句

A small boy was beating out a tune on a tin can.一个小男孩正用铁皮罐敲奏出曲子来。He beat a tattoo with his fingers on the table.他用指头咚咚地连敲着桌子。