Knock against
（使）撞击, 击打; 偶然碰到; 磕碰
🧩 词语组成解析
knock
[nɑk]
n. 短促的敲打（声）;爆震声;敲击声;敲门（或窗等）声;
vi. 猛烈敲击;与某物相撞;撞到了桌子;
vt. （心）怦怦跳;把…撞击成（某种状态）;批评;
🗣️ 情景例句
Time for a feeding and time for a diapering.
该喂奶， 换尿布的时候了。
You really don't have anything to apologize for.
你真的没什么可道歉的。
Can you type this letter for the boss please, Pamela?
请你把这封信给老板打一下可以吗，帕梅拉？