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Jyutping dong2 tung4 fat6 ji6
Pinyin dǎng tóng fā yì

Definitions (Wiktionary)
  1. phrase, idiomatic
    to unite with those who agree and fight those who differ

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Jyutping dong2 tung4 fat6 ji6
Pinyin dǎng tóng fá yì

Definitions (CC-CEDICT)
  1. to be narrowly partisan
  2. to unite with those of the same views but alienate those with different views
Definitions (粵典–words.hk)
  1. 語句
    拉攏​同意​自己​嘅​人​,​攻擊同​自己​有​差​異​嘅​人​;​有負​面​嘅​意味​,​意思​唔​單止​係​同​志同道合​嘅​人​做​朋友​,​更加​係​是非不分​咁​淨​係​幫​自己​人​,​一有​唔​同意​自己​嘅​人​就​打​擊
    to unite with those of the same views but alienate those with different views; to be narrowly partisan
Definitions (Wiktionary)
  1. phrase, idiomatic
    to unite with those who agree and fight those who differ