得理不饒人 [－－－饶－]

Jyutping dak1 lei5 bat1 jiu4 jan4
Pinyin dé lǐ bù ráo rén

Definitions (粵典–words.hk)
  1. 語句
    只要​道理​上勝過​對​手​，​就​會​難​為​人​哋
    Being unforgiving once a person finds his reasons are better than the others.
    • 好多人都唔想同佢討論時事，因為大家都知佢係幾咁得理不饒人。
      好多人都唔想同佢讨论时事，因为大家都知佢系几咁得理不饶人。
      Many of us don't like to discuss the current affairs, because everyone knows how unforgiving if he found he is correct.
  2. 近義詞
    得勢不饒人
Definitions (Wiktionary)
  1. phrase, idiomatic
    become haughty or unreasonable if one's position has support
Examples (粵典–words.hk)
  1. Cantonese
    好多人都唔想同佢讨论时事，因为大家都知佢系几咁得理不饶人。
    好多人都唔想同佢討論時事，因為大家都知佢係幾咁得理不饒人。
    • Many of us don't like to discuss the current affairs, because everyone knows how unforgiving if he found he is correct.