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Jyutping zi1 ji6 hang4 naan4
Pinyin zhī yì xíng nán

Definitions (CC-CEDICT)
  1. easy to grasp but difficult to put into practice (idiom)
  2. easier said than done
Definitions (粵典–words.hk)
  1. x
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    知易行难。
    知易行難。
    zhī yì xíng nán 。
    • It's one thing to make plans, but quite another to carry them out.