家庭不是很富用英语怎么说

可以用 "My family isn't very well-off." 来表示家庭不是很富裕。
"Well-off" 这个词有 "富裕"、"富有" 的意思，是一个形容词。它来自中世纪英语 "wele" 和 "of" 的结合，"wele" 是 "好" 的意思，"of" 是 "有" 的意思。
例句：
"My family doesn't have much money. We're not very well-off." (我的家庭没有多少钱，我们不是很富裕。)
"She comes from a well-off family, so she doesn't have to worry about money." (她来自一个富裕的家庭，所以她不用担心钱的问题。)
"Although he's not very well-off, he always manages to give generously to charity." (虽然他不是很富裕，但他总是能慷慨地捐款给慈善机构。)