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Jyutping bui3 dou6 ji4 ci4
Pinyin bèi dào ér chí

Definitions (CC-CEDICT)
  1. to run in the opposite direction (idiom); to run counter to
Definitions (粵典–words.hk)
  1. 語句
    目標​同實際​做事​嘅​方向​完全​相反
    to run counter to; to run in the opposite direction
Definitions (Wiktionary)
  1. phrase, idiomatic
    to run in opposite directions; to run counter to; to be inconsistent with
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    他的行为和他的信念背道而驰。
    他的行為和他的信念背道而馳。
    tā de xíng wéi hé tā de xìn niàn bèi dào ér chí 。
    • His behavior is contrary to his belief.