假道伐虢

to obtain safe passage to conquer the State of Guo / to borrow the resources of an ally to attack a common enemy (idiom)

used in 假掰[gei1 bai1]

fake / false / artificial / to borrow / if / suppose

vacation

variant of 假[jia3] / to borrow

via / by way of

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)

to cut down / to fell / to dispatch an expedition against / to attack / to boast / Taiwan pr. [fa1]

Guo, a kinship group whose members held dukedoms within the Zhou Dynasty realm, including Western Guo 西虢國|西虢国 and Eastern Guo 東虢國|东虢国 / surname Guo