在线词典知易行难知:懂得。认识事情的道理较易,实行其事较难。拼音zhī yì xíng nán解释知:懂得。认识事情的道理较易,实行其事较难。近义词知之非艰,行之惟艰反义词行易知难英文释义easy to grasp but difficult to put into practice (idiom); easier said than done