kǎi zhī yìng gāi bèi rén huái 
nínshìfǒuzàixúnqiú:凯撒凯撒之妻不应该被人怀疑gèngduōjiéguǒ...
yīngwénjièshì:
  1. n.  Caesar's wife must [ought to] be above suspicion.