[reporting verb]complain or protest about something in a bad-tempered but typically muted way (尤指小声地)表示不满,抱怨,发牢骚;咕哝,嘟囔 [no obj.]the cashier grumbled about changing Swiss money. 他父亲抱怨着没有收到他的音讯。 [with clause]his father was grumbling that he hadn't heard a word from him. 他咕哝着说了些认为决定是多余的之类的话。 ■[no obj.]make a low rumbling sound 发低沉的轰隆声 thunder was grumbling somewhere in the distance. 远处雷声隆隆。 ■[no obj.](of an internal organ) give intermittent discomfort (内脏)间歇性地闹病 [as adj. grumbling]a grumbling appendix. 时断时续地疼痛的阑尾。
noun
a complaint 抱怨,牢骚 the main grumble is that he spends too much time away. 主要的不满是他不在家的时间太多。 ■a low rumbling sound 低沉的轰隆声