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
I am so happy for you both.
我真为你们俩感到高兴。
What's your hobby?
你的嗜好是什么？
Some of them were as big as marbles.
有的钻石像玻璃球那么大。