out of service片語KK [aʊt ʌv ˋsɝvəs] /aʊt ʌv ˈsɝvəs/發音片語1故障、停用、無法使用The elevator has been out of service for almost two weeks.這部電梯已經故障將近兩個星期了。2不載客、空車、非營運The bus drove past without stopping because it was out of service.那輛公車沒有停靠,因為它不載客。3退役、除役These aircraft were taken out of service more than a decade ago.這些飛機十多年前就已經退役了。