Correct
假途灭虢
/ jiǎ tú miè guó /
Strokes
Definition
lit. a short-cut to crush Guo (idiom); fig. to connive with sb to damage a third party, then turn on the partner
Example
Definition
borrow a passage/way (through Yu) to destroy Guo ［both Yu（虞）and Guo（虢）were states in the Spring and Autumn Period］―conquer an enemy state by asking for the right of way through its territory