shoot a marble while keeping one's knuckles on the ground
双语例句
1. The United States, he said, did not knuckle under to demands.
他说，美国不会屈从于他人的要求。
来自柯林斯例句
2. David Seaman was back in the Arsenal goal after breaking a knuckle.
戴维·西曼在一个指关节骨折后又回到阿森纳队的球门前。
来自柯林斯例句
3. It is arguable whether the rebels will knuckle under.
还不能确定反叛者是否会投降。
来自柯林斯例句
4. The only thing to do was knuckle down and get on with some serious hard work.
唯一能做的就是开始努力工作，好好干出点儿成绩来。
来自柯林斯例句
5. He managed to knuckle down to his lessons long enough to pass his examination.
他在离考试还有足够长时间的时候就开始认真学习，从而通过了考试。
来自柯林斯例句
用作名词 (n.)
Our fingers bend at the knuckle. 我们的手指在指关节处弯曲。
Guidry had the 1 of the best sliders ever and should teach him, and Moose should teach him the Knuckle curve. 古得利已经有了史上最厉害的滑球，必须要好好传授他，然后轮到穆西纳，也必须要教他指关节区球。
