knuckle down

vi. (向某人)屈服, 认输, 开始努力工作

例句与用法：

If you want to pass that exam, you'll have to knuckle down (to some hard work).

你要想考试及格，就得开始下功夫(苦干)了。

词形变化：

异体字: knuckleball | 名词: knuckleballer |

ph.

1. 认真工作

We all knuckled down to study just before final exams.

就在期末考前, 我们开始埋头苦读。

2. 屈服

knuckle down

词形变化：

异体字: knuckleball | 名词: knuckleballer |

knuckle down1.■[美国英语]2.■(儿童玩弹子时)将指节贴地(准备打弹子)：You'll shoot in a truer straight line if you knuckle down.如果你把指关节贴在地面上打弹子，就会打得更准些。3.■开始认真工作；开始努力干活：I decide to knuckle down for an hour and get the job done.我决定认真干一个小时，把工作做完。4.■屈服,让步,投降,认输(=knuckle under):He would not knuckle down under their pressure.他不会在他们的压力下屈服的。

knuckle down

动词 knuckle down:

work very hard, like a slave

同义词：slave, break one's back, buckle down

knuckle down