自语 (zì yǔ) — to talk to oneself

Definition

Examples

• 他总喜欢一个人自语。
  Tā zǒng xǐ huan yí gè rén zì yǔ.
  He always likes to talk to himself alone.
• 不要自语，别人会觉得你很奇怪。
  Bú yào zì yǔ, bié rén huì jué de nǐ hěn qí guài.
  Don't talk to yourself; others will think you're very strange.
• 她紧张的时候就会自语。
  Tā jǐn zhāng de shí hou jiù huì zì yǔ.
  She talks to herself when she's nervous.