自言自语

tā hǎo xiàng zài zì yán zì yǔ

她好像在自言自语。

She appeared to be talking to herself.

tā zì yán zì yǔ de shuō gè bù tíng

他自言自语地说个不停。

He muttered to himself endlessly.

tā zì yán zì yǔ de tàn qǐ qì lái

她自言自语地叹起气来。

She sighed to herself.

tā fēi cháng hài pà de zì yán zì yǔ dào

他非常害怕地自言自语道。

He said to himself in great fear.

jù shuō zì yán zì yǔ shì jīng shén cuò luàn de zhēng zhào

据说自言自语是精神错乱的征兆！

They say that talking to yourself is the first sign of madness!