on a first-name basis片語發音片語1以名字相稱、直呼其名常與 with 連用Everyone in the office is on a first-name basis, even with the boss.辦公室裡大家都以名字相稱,連對老闆也是如此。2熟識、熟稔、交情不錯口語He's on a first-name basis with half the cooks in this neighborhood.這一帶有一半的廚師他都很熟。