ㄧㄤˊyángㄔㄤˊchángˊérㄑㄩˋ

  1. 掉頭不理大模大樣離去紅樓夢·第一》:揚長而去眾人苦留不住。」文明小史·》:立逼知府眾人刑具一齊驚動率領眾人揚長而去。」

to swagger off, to walk off (or drive off etc)​ without a second thought for those left behind
(expr. idiom.)​ se retourner et quitter brusquement
mit stolz erhobenem Kopf davongehen