shut sb/oneself in (sth)
prevent sb/oneself from getting out of (a place) 将某人[自己]关在(某处)
She shuts herself in her study for hours. 她一个人关在书房里一呆就是几个小时.
We´re shut in (ie surrounded) by the hills here. 我们处在群山环抱之中. shut sth in sth trap or pinch sth by closing sth 关闭某物时夹住、 卡住、 挤住...某物
I shut my finger in the car door, ie between the door and the door-pillar. 我的手指让汽车门给夹住了.