back down片語動詞KK [bæk daʊn] /bæk daʊn/發音片語動詞1讓步、退讓、認輸Neither side was willing to back down after hours of talks.經過數小時談判,雙方都不願讓步。2撤回、收回、放棄The company backed down from its threat to sue the reporter.公司撤回了要起訴那名記者的威脅。3退縮、打退堂鼓He talks tough but always backs down at the last minute.他嘴上很強硬,最後一刻卻總是退縮。