“似”字在汉语和日语中均可以表示两类事物之间在样态上的相似性。在古代中日两国文化的频繁交流过程中,汉字“似”也随着大量汉籍传入日本并被吸纳到日语中,进而在日语本土语言体系生成过程中逐渐被固定下来。本文旨在考察“似”字在汉语中的字义、应用以及被吸纳到日语后的语法化过程。 “Like ” character in both Chinese and Japanese can be said that the similarity between the two types of things in the state. In the process of the frequent exchange of cultures between China and Japan, the Chinese characters “likeness” were gradually introduced into Japan as a large number of Chinese characters and were absorbed into Japanese, which gradually became fixed in the generation of Japanese native language system. The purpose of this paper is to examine the meaning, application, and grammaticalization of “like” characters in Chinese.