work _ fingers to _ bone
口語(yǔ)·強(qiáng)調(diào)辛勤工作到筋疲力盡
例句
She worked her fingers to the bone to provide for her children.
典故來(lái)源
源自19世紀(jì)勞動(dòng)場(chǎng)景，'fingers to the bone' 指手指磨到骨頭，形容極度辛苦的體力勞動(dòng)。