The state of Jin borrowed a road through Yu to attack Guo.
Tips
history
虢 was a cluster of small states ruled by relatives of the Zhou kings. Its fall to Jin is the source of the idiom 唇亡齿寒 ('when the lips are gone the teeth get cold'): allies who depend on each other.
The left side 寽 supplies the sound. The character originally depicted a tiger's clawed scratch-marks, the grasping-hand element capturing that 'tearing' action before the name sense took over.