live from hand to mouth字面意思以手和嘴谋生，正确意思：勉强糊口度日；吃一顿算一顿；捉襟见肘，用于形容生活在贫困或勉强维持生计的状态。

【例句】
After the business failed, they had to scrape by, living from hand to mouth until they could find stable employment.
企业破产后，他们只能勉强度日，直到找到稳定的工作为止。

In early days, many people live from hand to mouth.
在早年，许多人都是过着勉强糊口的日子。