凡是

凡是 is an adverb that means 'any and all' or 'in every case.' It emphasizes the inclusiveness of a statement, often used to generalize or summarize a range of situations.

The character 凡 (fán) originally meant 'common' or 'ordinary,' while 是 (shì) means 'to be' or 'is.' Together, 凡是 conveys the idea of 'in every instance' or 'regardless of the situation,' highlighting universality and comprehensiveness.

在日常交流中，凡是常用于强调某种普遍性或规律性，例如：凡是努力的人都会成功。它也常见于书面语和正式场合，表达严谨的逻辑关系。理解 凡是 的关键在于把握其强调全面性的语气。