mouth·piece/`maθˏpis; ˈmaʊθpiːs/ n [C] 1 the part of a musical instrument, telephone etc that you put in your mouth or next to your mouth 〔乐器的〕吹口; 〔电话的〕送话口 2 [usually singular 一般用单数] a person, newspaper etc that a government or political organization uses to express its opinions 〔政府或政治机构的〕喉舌,代言人,传声筒: Pravda used to be the mouthpiece of the Communist Party. 《真理报》过去是共产党的喉舌。