21.put to flight赶走；击退
The infantry pressed home their attack, putting the enemy to flight.步兵部队死攻到底, 打得敌人溃不成军。
22.take flight
bird +起飞；飞走
I accidentally stepped on a twig, causing the birds to take flight.我无意中踩到了一根小树枝, 把鸟群惊飞了。
person +躲避；逃避
He was told of the raid and decided to take flight immediately.他得知要突击搜捕, 决定立即逃跑。