单词/词组检索

knock
级别	第2级
音标	[ nɒk ]
解释	n.敲，敲打；vt./vi.敲击，互撞，攻击
英英释义	to repeatedly hit something, producing a noise
发音
例句	1. There was a very quiet knock at the door. 有人轻声叩门。 2. She took a bad knock when her parents died. 她的父母去世使她受到沉重的打击。