break your back
努力地工作或奮斗,盡力完成一個任務
口語·形容非常努力或辛苦工作
英文釋義
to work extremely hard or put in a lot of physical effort
例句
I broke my back to finish the project before the deadline, but my boss didn't even say thank you.
典故來源
源自體力勞動中背部承受巨大壓力的形象,比喻為了完成目標付出極大努力或犧牲。