动词“使劲”原本是个动词,表示“用较大的力气”,它在现代汉语中发生了语法化,表示多种副词意义。与“使劲”同义的动词“用力”和“用劲”也曾不同程度地发生类似的变化,它们具有相同的语法化过程、动因和机制。
Originally, “Shi Jin” is a verb, and its meaning is “choose more strength”, in modern Chinese gram-mar, which happened grammaticalization, expressing meanings of a variety of adverbs, and its synony-mous verbs such as “Yong Li” and “Yong Jin” has experienced the similar change in some different degrees, they have the same grammaticalization process and the same motivation, mechanism.