He refused to knuckle under and was asked to leave.他绝不屈服, 所以被要求离开。

It is arguable whether the rebels will knuckle under.对于反叛者是否会投降, 人们存在疑议。

The United States, he said, did not knuckle under to demands.他说美国不会屈服于这些要求。

Hyundai knuckled under to the unions.韩国现代汽车公司向工会让步了。