prey upon的用法和樣例：
例句
用作及物動詞 (vt.)
- As a tiger stalks his prey, they hunted him.
他們追捕他猶如猛虎捕食。 - Stronger animals prey upon weaker ones.
強大的動物捕食弱小的動物。 - 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，他想能把更多的錢用于解決社會問題，讓富人交更多的稅，他那雄辯的力量是建立在人們的擔憂之上。 - What made a father suddenly express the fear of demonic influence upon a young son who until then had been a confessed Christian?
對于這位早已被承認為基督徒的年輕人，他父親為何突然表現出擔憂，怕他受到魔的影響呢？
詞匯搭配
- prey upon someone's mind 使某人苦惱,緊緊壓在...
