本文就日语副词「一応」的语用功能,从学习日语的立场出发,对其使用进行了分析,指出该词在以下场合使用:1)传达新信息时,2)强调自己的存在、身份时,3)说话者没有自信时。同时,指出说话者使用该词时所伴随的顾虑心情以及该词所涉及的politeness的一面。 Based on the pragmatic function of the Japanese adverb “Ichiban”, this paper analyzes the use of Japanese adverb from the standpoint of learning Japanese and points out that the term is used in the following situations: 1) when conveying new information, 2) emphasizing its own existence and identity 3) When the speaker is not confident. At the same time, it indicates the speaker’s concern when using the word and the politeness side of the word.