elbow grease
大量努力或勤奮工作
口語·形容需要大量努力或體力
英文釋義
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.
典故來源
源自17世紀,比喻擦亮物品需要手臂用力,像給肘部上潤滑油一樣,后泛指體力勞動。