鐵證如山 Save Sign in to save words Simplified: 铁证如山 tiězhèngrúshān ㄊㄧㄝˇ ㄓㄥˋ ㄖㄨˊ ㄕㄢ irrefutable evidence Character by character 鐵(tiě)surname Tie 證(zhèng)certificate 如(rú)as 山(shān)surname Shan A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0