本文对《朱子语类》中 4 33例不同性质的“不成”用例进行了统计分析 ,从中可以看出 :(一 )《语类》中副词“不成”分为两个 :一个是否定副词 ,意义相当于不可能、不可以 ,一个是反诘副词 ,意义相当于难道。后者可能来自前者。 (二 )《语类》中未见有语气助词“不成”的用例 ,助词“不成”见于宋代的说法是一种误解。 (三 )《语类》“V不成”格式既可以表示结果 ,又可以表示可能 ;当宾语与补语同现时 ,《语类》中通常使用“VO不成”格式 ,同时又有极少数“V不成O”模式 ,该格式既表可能 ,也表状态 This paper makes a statistical analysis of 433 cases of “failure” in the Zhuzi language category, from which we can see that: (1) the adverb “failed” in “genre” is divided into two parts: one is the negative adverb, The meaning is equivalent to impossibility, no, one is an anti-诘 adverb, meaning is equivalent to it. The latter may come from the former. (2) There is no use case of the word “impossible” in the “genre”. The misnomer is a misunderstanding when it comes to the Song Dynasty. (3) The format of “category” and “V 不成成” can not only represent the result but also indicate the possibility. When the object and the complement are co-occurring, “VO” is usually used in the “category” and a very small number of “V 不成成O ”mode, the table is not only possible form, but also table state