“回头”从离合词发展到接近于时间副词,是个词汇化的过程。“回头”本身蕴涵了空间方位和时间间隔两个概念。随着口语频繁使用,表时间间隔的范围增大,可笼统表示将来某一时间,多用于非现实句。本文将讨论“回头”的词汇化过程及其在现代口语中的含义。 “Back ” From the word of the clutch to the time adverbs, is a lexicalization process. “Return ” itself contains two concepts of space orientation and time interval. With the frequent use of spoken language, the scope of the table time interval increases, which can be generally said that at some time in the future, more for the non-realistic sentence. This article will discuss the lexicalization of “Back” and its implications in modern colloquialisms.