1、They refused to knuckle under to any pressure.
他們拒不屈從任何壓力。

2、You can can fail successfully, also, you can not knuckle under but.
你可以勝利，也可以失敗，但你不能屈服。

3、Knuckle under without a fight?
不抵抗就屈服？

4、Tom refused to knuckle under to the robber.
湯姆拒絕向強盜屈服。

5、The United States, he said, did not knuckle under to demands.
他說，美國不會屈從于他人的要求。

6、Knuckle under to sb.
（向某人）屈服，認輸

7、He refused to knuckle under to the enemy.
他拒絕向敵人投降。

knuckle under翻譯