work your fingers to the bone
辛勤工作或努力到筋疲力尽
口语·形容非常努力
英文释义
to work extremely hard or tirelessly
例句
She worked her fingers to the bone to support her family.
典故来源
源自19世纪，形象地描述手指因过度劳动而磨损到骨头，强调极度辛劳。