自言自语

In fact, soliloquize to practice oral English is also one of the effective methods.

事实上，自自语亦是练习口语有效方法之一。

I strolled around, muttering to myself.

我四处闲逛，一边低声自自语。

He is murmuring to himself.

他在自自语。

Wu Sun-fu muttered to himself and took a sip at his glass. He was still staring dazedly at the blurred shapes passing in and out of the bar .

吴荪甫自自语地拿起酒杯来喝了一口，眼睛仍旧迷惘地望着酒吧间里憧憧往来。