+2 = 6 

ㄎㄠˇkǎo

  1. 敲擊·王念孫廣雅疏證·三上·》:。」

  2. 稽核考核周禮·夏官·大司馬》:。」·鄭玄·考校。」」。

to beat, to hit, variant of 考[kao3], to inspect, to test, to take an exam
vérifier, tester, examiner, passer un examen
prüfen, begutachten