v.轻声低语,咕哝地抱怨( mutter的过去式和过去分词 );
例句:
Walsh muttered something under his breath.
沃尔什小声嘟囔了一句。
She turned away and muttered something unintelligible.
她转向一旁,嘴里不知咕哝些什么。
She muttered to herself.
她喃喃自语.