他难以用目前的工资养活他的家庭。

He struggles to ___keep his family on his current wage.

经济好转后，人们能赚足够的钱来养活家庭。

With a better economy, people can earn enough to ___keep their families.

用有限的预算维持一个家庭很困难。

It's challenging to ___keep a household on a limited budget.