up a gum tree
陷入困境或無法解決問題
口語·形容棘手處境
英文釋義
in a difficult or awkward situation with no clear or easy way out
例句
When the car broke down in the middle of nowhere, we were really up a gum tree.
典故來源
源自澳大利亞叢林：考拉被追捕時爬上桉樹（gum tree）但難以逃脫，比喻陷入困境。