他在睡梦里嘟囔了些什么。

He murmured something in his sleep.

《牛津词典》

他嘟嘟囔囔地不知说了些什么。

He burbled something incomprehensible.

《柯林斯英汉双解大词典》

但是，樵夫根本没向上看一眼，“什么树都行啊”樵夫嘟囔着说道。

But the woodcutter never even looked up. "Any kind of tree will do for me," he muttered.

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