大哥 On the HSK 4 vocabulary list, at CEFR level B2. dàgē ㄉㄚˋ ㄍㄜ eldest brother big brother (polite address for a man of about the same age as oneself) gang leader boss 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