up a gum tree

• adj. 处于困境(进退两难)

up a gum tree的用法和样例：

例句

用作形容词 (adj.)

1. He found himself in a sad pickle.
   他发现自己已处于困境。
2. When a man is falling, every saint pushes him.
   处于困境时，每个人都推开他。