赶跑

赶跑	gǎn pǎo	to drive away / to force out / to repel
赶	gǎn	to overtake; to catch up with / to hurry; to rush / to try to catch (the bus etc) / to drive (cattle etc) forward; to drive (sb) away / to avail oneself of (an opportunity) / until; by (a certain time)
跑	páo	(of an animal) to paw (the ground)
跑	pǎo	to run / to run away / to escape / to run around (on errands etc) / (of a gas or liquid) to leak or evaporate / (verb complement) away / off