いちに 一二 Common word Show 1 collocation 一二を争う - to compete for the first place LinksSentence search for 一二Sentence search for いちにKanji details for 一 and 二Edit in JMdict Noun1. one or two; a couple; a fewNoun2. first and second (place); the top twoSee also 一二を争う Discussions Log in to talk about this word.