Knock knees
n. 膝外翻
🧩 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;
n. 膝( knee的复数形式 ); 膝盖; （裤子的）膝部; 坐下时)大腿朝上的面
🗣️ 情景例句
Was it serious?
病得很重吗？
When the phone rang, I was painting upstairs.
当电话铃响的时候，我在楼上画画。
He goes home early everyday for fear that his wife would be angry.
他每天很早就回家，免得老婆生气。