"Living from hand to mouth" is an expression used to describe a living situation where one is barely able to meet their basic needs, such as food and shelter, and have no savings or resources to fall back on. There are several other synonyms for this phrase that convey a similar meaning, such as "living paycheck to paycheck," "just making ends meet," or "scraping by." These phrases describe a difficult financial situation where an individual or family struggles to cover their daily expenses and may not have the means to plan for the future. It is a challenging reality for many people around the world, especially those living in poverty or facing economic hardship.