Definition

Examples

• 他无故旷工了三天。
  Tā wú gù kuàng gōng le sān tiān.
  He was absent from work for three days without reason.
• 请不要无故打断别人的发言。
  Qǐng bú yào wú gù dǎduàn biérén de fāyán.
  Please don't interrupt others' speech without cause.
• 她无故哭了起来，大家都不知道怎么了。
  Tā wú gù kū le qǐlai, dàjiā dōu bù zhīdào zěnme le.
  She started crying for no reason, and nobody knew what was wrong.