1
mumble + noun phrase
后接直接宾语，表示含糊地说出某话。
He mumbled an apology under his breath.
他低声咕哝着道歉。
嘟囔；含糊地说
mumbled — past of mumble
先理解核心含义，再看它在真实句子里的用法。
嘟囔；含糊地说
To speak quietly and indistinctly, so that your words are hard to understand.
He mumbled an apology under his breath.
他低声咕哝着道歉。
说话含糊不清或声音低微；无法清晰地发音。
To speak unintelligibly or inaudibly; to fail to articulate.
闭唇轻嚼。
To chew something gently with closed lips.
mumble
Base
原形
mumbles
3rd person
第三人称单数
mumbling
-ing
现在分词
mumbled
Past
过去式
mumbled
Past participle
过去分词
He mumbles when he is nervous.
他紧张时会含糊地说。
She mumbled an apology and left.
她含糊地道了歉然后离开了。
Why are you mumbling? Speak clearly.
你为什么在咕哝？说清楚点。
规则动词，过去式和过去分词加-ed。
He tends to mumble when he is nervous.
他紧张时容易含糊其辞。
She mumbled an apology and quickly left the room.
她含糊地道歉后迅速离开了房间。
Why are you mumbling? Speak up, please!
你为什么在咕哝？请大声点说！
后接直接宾语，表示含糊地说出某话。
He mumbled an apology under his breath.
他低声咕哝着道歉。
that常可省略，表示含糊地陈述某事。
She mumbled that she didn't know the answer.
她咕哝着说她不知道答案。
to oneself表示自言自语。
The old man was mumbling to himself.
那位老人自言自语地咕哝着。
Not this
He murmured something to himself.
Use this
He mumbled something to himself.
中文里'咕哝'常对应murmur和mumble，但murmur侧重低沉连续的声音，mumble强调口齿不清。此处表示含糊地说，应用mumble。
Not this
He mumbled in himself.
Use this
He mumbled to himself.
mumble表示自言自语时搭配to oneself，而非in himself。前者为英语习惯搭配，后者是中式表达。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
含糊地道了歉
He mumbled an apology and quickly left the room.
他含糊地道了歉，然后迅速离开了房间。
低声嘟囔
She mumbled something under her breath as she turned away.
她转过身去时低声嘟囔了些什么。
含糊不清地嘟囔
The patient was mumbling incoherently after the accident.
事故后，病人含糊不清地嘟囔着。
自言自语地嘟囔
He often mumbles to himself while working.
他工作时经常自言自语地嘟囔。
含糊地说了几句话
She mumbled a few words of thanks before sitting down.
她坐下前含糊地说了几句感谢的话。
Use mumbled naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象嘴里含着一块糖，说话含混不清，像在mumble；闭着嘴轻嚼也是这个动作。
语域：mixed 常见场景：日常对话、描述咀嚼动作 作“含糊地说”讲时是中性常用表达，日常口语和书面语都常见；作“抿着嘴嚼”讲时较少见，多用于描述进食或咀嚼动作。
以上单词均以 -umble 结尾，重读音节为 /ˈʌm/，末尾为 /bəl/，与 mumble /ˈmʌmbəl/ 押韵。注意不要被拼写相似的 marble /ˈmɑːrbəl/ 或 ramble /ˈræmbəl/ 误导，它们的元音与 mumble 不同。
Dictionary facts from ECDICT, WIKTIONARY.