栈道

plank walkway constructed on the face of a cliff / (archaic) elevated passageway connecting the upper levels of adjacent towers

a wooden or bamboo pen for sheep or cattle / wood or bamboo trestlework / a warehouse / (computing) stack

road / path / CL:條|条[tiao2],股[gu3] / principle / truth / morality / reason / skill / method / Dao (of Daoism) / to say / to speak / to talk / classifier for long thin things (rivers, cracks etc), barriers (walls, doors etc), questions (in an exam etc), commands, courses in a meal, steps in a process / (old) circuit (administrative division)

the Qinling plank road to Shu, a historical mountain road from Shaanxi to Sichuan

pile trestle

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