+2 = 6

ㄎㄠˇkǎo

ㄎㄠˇkǎo
  1. 鄭玄考校。」
to beat, to hit, variant of 考[kao3], to inspect, to test, to take an exam
prüfen, begutachten (V)​
vérifier, tester, examiner, passer un examen