不对 (bù duì) — incorrect, wrong; amiss, not as it should be; No! (used to disagree or correct someone)

Definition

Examples

• 这个数字不对。
  Zhè ge shù zì bù duì.
  This number is wrong.
• 不对，我不是这个意思。
  bù duì, Wǒ bú shì zhè ge yì si.
  No, that's not what I meant.
• 他今天有些不对，好像不舒服。
  Tā jīn tiān yǒu xiē bù duì, hǎo xiàng bù shū fu.
  He seems a bit off today, like he's not feeling well.