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
I have worked hard at my major subject.
我对主修课特别用功。
Don't swap horses when crossing a stream.
行至中流不换马；危难之时不宜作大变动。
'Rest', in terms of muscle relaxation and so on, can be achieved by a brief period lying, or even sitting down.
“休息”，从使肌肉得到放松等方面来看，只要稍微躺一躺，甚至坐一坐就能达到。