1. 〔知り合い〕an acquaintance;〔友人〕a friend
    • 知己が広い
    • have a wide circle of acquaintances/know many people
    • 初対面のときから長年の知己のような親しみを感じた
    • Even when I first met her I felt as if 「she had been a close friend [I had known her] for years.