flee
vi.逃走，逃掉 vt.逃离，避开，逃避
His attackers turned and fled.
袭击他的人转身逃走了。
flexible
a.易弯曲的，柔韧的;灵活的，可变通的
We can be flexible about your starting date.
你从哪天开始，我们可以灵活一点。
fling
vt.用力扔;使投身 n.尽情欢乐的一阵
People cheered and flung their hats into the air.
民众欢呼着把帽子扔向空中。
flourish
vi.茂盛，繁荣，兴旺 vt.挥动(以引起注意)
The economy is booming and small businesses are flourishing.
经济繁荣，小企业蒸蒸日上。
grasp
vt./ n.抓紧，抓牢;理解，领会
I grasped his arm firmly and led him away.
我紧紧抓住他的胳膊把他带走了。
