音标发音英式音标 [ˈmʌt.ə.rɪŋz]美式音标 [ˈmʌt̬.ɚ.rɪŋz]英式发音 美式发音 基本解释嘀咕，私下抱怨。同根派生 英汉例句noun [ plural ]There are mutterings of discontent among the staff. 员工中有人私下里发牢骚。英英字典剑桥英英字典 complaints that are made to only a few people