Mutter 低聲嘀咕, 咕噥 The old woman muttered to herself. 這位老婦人喃喃自語。 Mr. Morgon did not look up from his maps, but he muttered agreeting. 摩根先生看著地圖, 沒有抬起頭來, 但是他低聲招呼了一聲。 抱怨[(+at/against)] Some staff members are beginning to mutter about the newpresident. 有些職員開始抱怨新任的總經理。 vt. 及物動詞 低聲含糊地說 The surgeon muttered his dissatisfaction. 外科醫生低聲發洩他的不滿。 抱怨地說 n. 名詞 咕噥; 抱怨[S] We heard a mutter of discontent. 我們聽到有人竊竊私議表示不滿。