明修棧道，暗渡陳倉 [－－栈－－－－陈仓]

Jyutping ming4 sau1 zaan2 dou6 ， am3 dou6 can4 cong1
Pinyin míng xiū zhàn dào ， àn dù chén cāng

Definitions (Wiktionary)
  1. phrase, idiomatic
    to feign one thing while doing something else; to divert someone's attention towards something while secretly doing something else to achieve one's goal

明修棧道，暗渡陳倉 [－－栈－－－－陈仓]

Jyutping
Pinyin míng xiū zhàn dào , àn dù chén cāng

Definitions (CC-CEDICT)
  1. lit. repair the plank road by day while secretly crossing the Wei River 渭河[Wei4 He2] at Chencang (idiom, refers to a stratagem used by Liu Bang 劉邦|刘邦[Liu2 Bang1] in 206 BC against Xiang Yu 項羽|项羽[Xiang4 Yu3] of Chu)
  2. fig. to feign one thing while doing another
  3. to cheat under cover of a diversion