1. 1 〔互いに言う〕talk to each other ((about)); talk ((about a thing)) together; speak ((with a person about a thing))
    • お互いの演奏について感想を言い合った
    • They exchanged opinions about each other's performances.
  1. 2
    • つまらないことで人と言い合う
    • quarrel with a person over [about] a small matter
    • 家の所有権について彼らと言い合った
    • I argued with them about the ownership of the house.