远走高飞 [- zǒu ɡāo fēi]fly far and high; be off to distant parts; fly high and go far; get away to a faraway place; go far away; leave and not plan to come back; run away from ...; slip away to distant places; take wing and fly away; travel far and wide:
•¶ 要是没有家眷拖累，他早就远走高飞了。 Had it not been for his family, he'd have gone away long ago.