knock
「knock」的意思
v. 敲，击；碰撞，碰倒；把……撞击成（某种状态）；敲动，打破；打，凿（洞）；（尤指因故障）发碰撞声...
v.敲,敲打,敲击,(使)碰撞n.敲,击,敲打
「knock」的用法
knock敲打，撞击 - 用作动词，表示用物体轻轻敲击某物。
「knock」的例句
He knocked on the door.
他敲了敲门。
She knocked on the window to get someone's attention.
她敲了敲窗户以引起某人的注意。
The baby fell asleep when the nurse knocked softly.
当护士轻敲时，婴儿睡着了。
Knock, knock! Who's there?
咚咚！谁在那儿？
Knock, knock! It's me!
咚咚！是我！
He knocked on the table to attract attention.
他敲了敲桌子以引起注意。
She knocked on the door and asked for help.
她敲了敲门并请求帮助。
Knock, knock! Open up!
咚咚！开门！
He knocked on the door three times before anyone answered.
他连续敲了三次门才有人应答。
She knocked on the door gently to avoid waking up the baby.
她轻轻敲了敲门以避免吵醒婴儿。