elbow grease
大量努力或勤奋工作
口语·形容需要大量努力或体力
英文释义
hard physical effort or manual labor
例句
You'll need a lot of elbow grease to get that old stain out of the carpet.
典故来源
源自17世纪,比喻擦亮物品需要手臂用力,像给肘部上润滑油一样,后泛指体力劳动。