he was e4ager to make some extra money,since during these ye

wage译为工资、收入,可数名词,通常用复数形式,但也可用单数形式
live on one's wages 是一个短语,意思为靠工资吃饭 、靠工资生活
例句：Since almost no education,no grasp useful technologies,so it is hard for him to earn enough to live on wages.由于几乎没有受过教育,没有掌握有用的技术,所以他很难挣到足够维持生活的工资.