impassiveKK [ˏɪmˋpæsɪv] /ˌɪmˈpæsɪv/發音形容詞1面無表情的、不動聲色的His face stayed impassive as the verdict was read out.宣讀判決時,他臉上依然面無表情。2無動於衷的、冷漠的She remained impassive throughout his long, tearful apology.他哭著道歉了很久,她始終無動於衷。