柯林斯詞典master of ceremonies (masters of ceremonies) 1. N-COUNT At events such as formal dinners, award ceremonies, and variety shows, the master of ceremonies is the person who introduces the speakers or performers, and who announces what is going to happen next. 主持人; 司儀 返回 master of ceremonies劍橋詞典a person who makes certain that official events happen correctly, for example by introducing performers at the right time 典禮官；司儀 返回 master of ceremonies