take flight
To flee or run away (from someone or something). The would-be burglars took flight as soon as they heard the police sirens. We've committed our troops to this cause, and we shall not take flight just because the path has proved difficult.
take flight
Also, take wing. Run away, flee, go away, as in When the militia arrived, the demonstrators took flight, or The tenant took wing before paying the rent. The first idiom derives from the earlier take one's flight, dating from the late 1300s, and was first recorded in 1435. The variant was first recorded in 1704.
take ˈflight
run away: The gang took flight when they heard the police car.