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) / fig. to feign one thing while doing another / to cheat under cover of a diversion
栈径
zhàn jìng
a plank road (built on trestles across the face of a cliff)
栈阁
zhàn gé
plank road built along the side of a cliff / CL:條|条[tiao2]
秦岭蜀栈道
Qín lǐng shǔ zhàn dào
the Qinling plank road to Shu, a historical mountain road from Shaanxi to Sichuan