lock uint

例句：

1. 1. Please lock the door when you leave.
   离开时请把门锁好。
2. 2. The thief managed to lock himself in a room.
   那个小偷设法把自己锁在了房间里。
3. 3. She locked the car doors and walked away.
   她锁上了车门，然后走开了。