lock in

将…锁〔包围〕在里面
- The small country has no seacoast, but is locked in by other nations.
  
  这个小国没有海岸, 四面是其他国家。
- I locked him in by mistake.
  
  我误把他锁在屋里了。
- Tom has locked himself in his room and refuses to speak to any member of the family.
  
  汤姆把自己锁在他的房间内, 拒绝和家里任何人讲话。
- Although the jewels were locked in a strong box, the thieves stole them without any difficulty.
  
  尽管珠宝被锁在一个结实的箱子里, 小偷还是毫不费力地把它们偷走了
使固定
- On the new television sets, the color is locked in so that you don't need to keep changing the control.
  
  这些新式的电视机的色彩已调定, 你不必老去动控制钮。

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