lame duck
noun [ C ] uk/ˌleɪm ˈdʌk/ us/ˌleɪm ˈdʌk/
(UNSUCCESSFUL)
不太成功的人（或事物）
an unsuccessful person or thing
(POLITICS)
跛脚鸭（即将届满卸任者）
an elected official whose power is reduced because the person who will replace them has already been elected