up a tree

• adj. 陷入困境(走投无路)

up a tree的用法和样例：

例句

用作形容词 (adj.)

1. They have forced him into a corner.
   他们迫使他陷入困境。
2. Because I lost my money I was in a jam.
   我因为丢了钱而陷入困境。

词汇搭配

• up a gum-tree 一筹莫展