知易行難 zhī yì xíng nán

DEFINITIONS

  1. easy to grasp but difficult to put into practice (idiom)
  2. easier said than done

CHARACTERS

知 zhī
HSK 2
know, perceive, comprehend
易 yì
HSK 3
change; easy
行 xíng
HSK 3
go; walk; move, travel; circulate
難 nán difficult, arduous, hard; unable