正经事 (zhēng) — serious matters; real business

Definition

Examples

• 我们暂时不要说笑话，先谈正经事。
  Wǒ men zàn shí bú yào shuō xiào hua, xiān tán zhēng.
  Let's stop joking for now and first discuss serious matters.
• 你做点正经事好不好？别整天玩。
  Nǐ zuò diǎn zhēng hǎo bu hǎo? bié zhěng tiān wán.
  Could you do something serious? Don't just play all day.
• 这件事是正经事，不能马虎。
  Zhè jiàn shì shì zhēng, bù néng mǎ hu.
  This matter is a serious affair; can't be careless.