嘟囔的英文：
(v) mumble to oneself

参考例句：

Speak in one's beard
"喃喃地说,嘟囔"

To utter indistinctly;mumble.
嘟囔含混地说;咕哝

I heard him rumbling at the back.
我听见他在后面直嘟囔。

“Ah, today is just your lucky day, ” he gripes.
“啊，今天是你的幸运日吧，”他不满地嘟囔道。

" Why gold foil anyway, and paper is much easier to work with," he grumbled
"总之，为什么是金箔纸呢,普通纸不是更好折吗,"他低声嘟囔道。

mumble是什么意思：
n. 咕哝，含糊的话
v. 咕哝，含糊地说；抿着嘴嚼

He mumbled a few words.
他小声咕哝了一句。

The old woman mumbled the cake.
老太太瘪着嘴吃蛋糕。

He spoke in a low mumble, as if to himself.
他自言自语般地嘟哝着。

Speak clearly and at a moderate pace. Do not shout or mumble.
用清晰温和的语调说话。不要吼叫或喃喃自语。

It was embarrassing and sad to see this man reduced to a mumbling wreck.
看见这个人变得口齿不清、弱不禁风，真是让人既难堪又悲哀。

oneself是什么意思：
pron. 自己；亲自，自行

apologize for oneself
为自已解辩或辩护

pride oneself on
使得意

embroil oneself in
使某人卷入纠纷

reassert oneself
重申自己的主张

prostrate oneself
使自己俯卧|拜倒