up a gum tree
陷入困境或无法解决问题
口语·形容棘手处境
英文释义
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.
典故来源
源自澳大利亚丛林：考拉被追捕时爬上桉树（gum tree）但难以逃脱，比喻陷入困境。