string someone up
phrasal verb with string verb [ T ] uk/strɪŋ/ us/strɪŋ/ strung | strung
informal
吊死（某人），绞死（某人）
to kill someone by hanging them by the neck from a rope, usually as a punishment for a crime
He's one of those old-fashioned types who thinks criminals ought to be strung up. 他是那种老式思维的人，认为杀人犯都应该被绞死。
严厉惩罚（某人）
to punish someone severely
He ought to be strung up for what he said about his mother. 他那样说他母亲真该被严惩。