認 Simplified: 认 On the HSK 5 vocabulary list, at CEFR level C1. rèn ㄖㄣˋ to recognize to know to admit Where 認 is used Example sentences and grammar articles using 認 Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0 国际中文教育中文水平等级标准, 中华人民共和国教育部, MIT