fair game
公平竞争的对象；合法攻击的目标
书面/口语·指可被攻击的目标
英文释义
to be a legitimate target or subject of criticism, ridicule, or harm
例句
Once the politician made that mistake, he became fair game for the media.
典故来源
源自狩猎术语，指合法可猎取的猎物，后引申为可被合理批评或攻击的对象。