N-COUNT 分裂不定式(在 to 和动词不定式之间插有副词，有些人认为该用法不正确) A split infinitive is a structure in which an adverb is put between 'to' and the infinitive of a verb, as in 'to really experience it'. Some people think it is incorrect to use split infinitives. 分裂不定式(在 to 和动词不定式之间插有副词，有些人认为该用法不正确)