grumble /ˈɡrʌmbl/ I. vt.& vt. 埋怨，发牢骚：Why grumble at me about your own stupid mistakes?你自己犯了愚蠢的错误，为什么向我抱怨?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。‖II. n.［c］牢骚：I don't want to hear another grumble from you.我不愿再听到你的抱怨。