- knuckle down
 - 屈服;开始认真工作
 
同义词
           
       参考例子
           - 1.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。
 
- 2.To really knuckle down, some folks have to come in early or stay late.
 - 要真正干活,有些人要找来或晚归。
 
- 3.You'll really have to knuckle down if you want to pass the examination.
 - 如果你希望考试及格,那你真得认真学习了。
 
英文解释
           - v.
 - 1.work very hard, like a slave
 
网络释义
               - knuckle down
 - 屈服; 开始认真工作; 开始认真工作:;
 
- knuckle down to
 - 专心从事; 屈服于;
 
- to knuckle down
 - 把……干完;
 
- knuckle down to work
 - 认真工作; 安下心来工作;