事不关己 (shì bú) — it's not one's concern; the matter does not involve me personally

Definition

Examples

• 事不关己，我为什么要管？
  shì bú, Wǒ wèi shén me yào guǎn?
  It's none of my business — why should I get involved?
• 他总是一副事不关己的态度，对别人的困难从来不关心。
  Tā zǒng shì yí fù shì bú de tài dù, duì bié rén de kùn nan cóng lái bù guān xīn.
  He always has an 'it's-not-my-business' attitude and never cares about other people's difficulties.
• 这件事与你无关，你就事不关己好了。
  Zhè jiàn shì yǔ nǐ wú guān, nǐ jiù shì bú hǎo le.
  This matter has nothing to do with you — just treat it as not your concern.