prey on

US /preɪ ɑn/
UK /preɪ ɑn/
"prey on" picture
1.

捕食, 猎食

to hunt and kill for food

:
Lions prey on zebras and other large herbivores.
狮子捕食斑马和其他大型食草动物。
Eagles often prey on smaller birds and fish.
老鹰经常捕食小鸟和鱼。
2.

欺骗, 困扰

to exploit or harm someone who is weaker or more vulnerable

:
Scammers often prey on the elderly and lonely.
诈骗犯经常欺骗老年人和孤独者。
His fears began to prey on his mind.
他的恐惧开始困扰他的思想。