In fact, although "thrifty" and "stingy" are related, their connotations are slightly different. "Thrifty" generally refers to paying attention to saving and avoiding waste in life, and having a sense of saving and managing resources and property. It usually has a positive connotation, and people tend to associate "thrifty" with values such as simplicity, no waste, and environmental protection. "Stingy" refers more to excessive thrift, or a behavior that only focuses on saving without considering necessary expenses. This may have some negative connotations, because excessive stinginess may lead to ignoring necessary expenses or opportunity costs. Therefore, when translating or understanding these words, pay attention to their nuances. "Frugal" is often a neutral or positive word, while "stingy" may have more negative connotations. If you can share the situation or sentence you mentioned in detail, I can give better advice.