prey upon

英　　美　　

prey upon的用法和样例：

用作及物动词 (vt.)

As a tiger stalks his prey, they hunted him.
他们追捕他犹如猛虎捕食。
Stronger animals prey upon weaker ones.
强大的动物捕食弱小的动物。
Instead, he wants to throw money at social problems and slap more taxes on the rich, and he is using his oratorical powers to prey on people's fears.
相反，他想能把更多的钱用于解决社会问题，让富人交更多的税，他那雄辩的力量是建立在人们的担忧之上。
What made a father suddenly express the fear of demonic influence upon a young son who until then had been a confessed Christian?
对于这位早已被承认为基督徒的年轻人，他父亲为何突然表现出担忧，怕他受到魔的影响呢？