+4 = 6

ㄎㄨㄤkuāng

ㄎㄨㄤkuāng
  1. 匡正」、匡謬」。
  2. 匡救」。
    管子》:長老,……。」
surname Kuang, (literary)​ to rectify, (literary)​ to assist, (coll.)​ to calculate roughly; to estimate
korrekt (Adj)​, abändern (V)​, Kuang (Eig, Fam)​
corriger, redresser, aider, assister