铁证

tiězhèng

铁证 — tiězhèng

1. ironclad evidence; conclusive proof

   警方拿出铁证，案件很快水落石出。 jǐngfāng náchū tiězhèng ànjiàn hěnkuài shuǐluòshíchū — The police produced ironclad evidence, and the case was soon solved.