铁证 (tiě zhèng) — ironclad proof; irrefutable evidence

Definition

Examples

• 警方找到了铁证，凶手终于承认了罪行。
  Jǐng fāng zhǎo dào le tiě zhèng, xiōng shǒu zhōng yú chéng rèn le zuì xíng.
  The police found irrefutable evidence, and the murderer finally confessed to the crime.
• 这份合同就是铁证，证明他确实借了钱。
  Zhè fèn hé tong jiù shì tiě zhèng, zhèng míng tā què shí jiè le qián.
  This contract is ironclad proof that he did borrow money.
• 没有铁证，法院不能判他有罪。
  Méi yǒu tiě zhèng, fǎ yuàn bù néng pàn tā yǒu zuì.
  Without irrefutable evidence, the court cannot convict him.