prep.朝;位于……;到某处;到某状态;差;给;对于;
I need to drink something.
我得喝点东西。
I don't know how to go.
我不知道怎么过去。
To our surprise, he walked in the room bravely and pulled the door to.
令我们吃惊的是,他勇敢地走进房间,把门关上了