serve someone right
理所当然，应得到某人的报应或惩罚
口语·表达应得惩罚
英文释义
to experience a deserved consequence or punishment
例句
He skipped all the classes and failed the exam. It serves him right.
典故来源
源自16世纪英语，原指给予某人应得的对待，后引申为惩罚或报应，常用于口语中表达因果报应。