小猫被困在树上下不来了。

The kitten was ___trapped in the tree and couldn't get down.

他觉得自己被困在了一段不幸福的关系中。

He feels ___trapped in an unhappy relationship.

火灾发生时，有几个人被困在了电梯里。

Several people were ___trapped in the elevator when the fire broke out.