将…锁[包围]在里面；使固定；

1. place in a place where something cannot be removed or someone cannot escape

    e.g. The parents locked her daughter up for the weekend
           She locked her jewels in the safe

    Synonym: lock awaylockput awayshut upshut awaylock up

2. close with or as if with a tight seal

    e.g. This vacuum pack locks in the flavor!

    Synonym: seal in