Expressions (phrases, clauses, etc.)
you can't give (use) what you don't have; nothing comes from nothing; you can't shake sleeves you don't have
Proverb
お金を貸せといわれても無いそでは振れないよ。I can't lend you money, because I don't have any myself.
Also written ない袖は振れぬ【ないそではふれぬ】