miles to go before I sleep
睡觉之前还有很长的路要走
口语·表达任务艰巨或目标遥远
英文释义
have a long way to go before achieving a goal or reaching a desired outcome
例句
I've finished half the project, but I still have miles to go before I sleep.
典故来源
源自美国诗人罗伯特·弗罗斯特的诗《雪夜林边小驻》，原指旅途漫长，后比喻未完成的任务。