rob Peter to pay Paul

take something away from one person to pay another, leaving the former at a disadvantage; discharge one debt only to incur another

借钱还债；剜肉补疮；拆东墙补西墙

rob (someone or something) blind

To rob in an unusually deceitful or thorough way

用异乎寻常的欺骗手段或彻头彻尾地抢劫

robbed the old couple blind while employed as a companion.

当被雇佣作同伴时向这对老盲人夫妻进行抢劫

rob the cradle【非正式用语】

To have a romantic or sexual relationship with someone significantly younger than oneself.

与比自己年轻得多的人发生风流韵事或性关系