喃喃自语
nán​nán​zì​yǔ

to mumble to oneself

2 sentences

  1. 他开始对自己喃喃自语。

    tā kāi​shǐ duì zì​jǐ nán​nán​zì​yǔ.

    He started mumbling to himself.

    Source: CCMatrix

  2. 我发现自己喃喃自语着祈祷，虽然我不太确定我在向谁祈祷。

    wǒ fā​xiàn zì​jǐ nán​nán​zì​yǔ zhe qí​dǎo, suī​rán wǒ bù tài què​dìng wǒ zài xiàng shéi qí​dǎo.

    I found myself muttering a prayer, though I wasn't quite sure who I was praying to.

    Source: CCMatrix