fēi     not / non- / un-

繁体 traditional:
听 listen: Play audio
语法 grammar: 副词 Adverb
笔记 notes: The pattern 非…不… is a pattern of double negation commonly used to emphasize a point.
上概念 parent concept: 虚词 (Function Words)
话题 topic: 现代汉语 (Modern Chinese)

Pinyin English