Weak-kneed
a. 膝盖弱的, 软弱的, 不坚定的
📖 牛津释义
weak-kneed
adj (fig 比喻) (of a person) lacking determination or courage （指人）无决心的, 无勇气的.
🧩 词语组成解析
weak
[wik]
adj. 柔弱的，虚弱的;无力的，软弱的;不中用的，愚钝的;淡薄的;
a. 有膝一般的关节的, 有节的
🗣️ 情景例句
with the school board,
和联合校董会一起，
The good seaman is known in bad weather.
坏天气才能认识良好的海员。
All the students are expert drivers, but before they drive any of the buses, they will have to pass a special test.
所有的学生都是开车的能手，但在驾驶公共汽车之前，他们必须通过一项专门测验。