- keep down
 - v. 控制;镇压;缩减
 
参考例子
           - 1.If the enemy opened fire, keep down.
 - 如果敌人开火,就卧倒。
 
- 2.We hoe the garden to keep down the weeds.
 - 我们给花园锄草以限制杂草生长。
 
- 3.They tried to keep down non-productive expenses.
 - 他们设法缩减非生产性开支。
 
英文解释
           - v.
 - 1.place a limit on the number of
 - 2.put down by force or intimidation
 - 3.manage not to throw up
 
网络释义
               - keep down
 - 控制,压制,镇压; 压服; 缩减开支; 压低;
 
- keep sb down
 - 压制;
 
- Keep falling down
 - 永不坠落; 自由滑落; 不断的坠落; 坠落无系;
 
- Keep falling down
 - 永不堕落;
 
- Keep me down
 - 不让我下来;