ㄨㄤˋwàngēnㄈㄨˋˋ

  1. 恩惠不知報答反而對不起恩人事情·楊顯之酷寒·楔子》:兄弟忘恩負義日後必得。」負義忘恩」、忘恩背義」、忘恩失義」。過河拆橋過河抽板見利忘義沒齒不忘感恩戴德感恩圖報結草銜環報德飲水思源

to forget favors and violate justice (idiom)​; ingratitude to a friend, to kick a benefactor in the teeth
ingratitude
undankbar (Adj)​