predator
/ˈpredətə(r)/noun
1- an animal that naturally preys on others捕食其他动物的动物, 食肉动物：
wolves are major predators of small mammals.
狼是哺乳类小动物的主要捕食者。
1.1
- figurative a rapacious, exploitative person or group〈喻〉掠夺者; 掠夺成性者; 损人利己者：
predators prey on pensioners.
掠夺者连退休金领取者的钱也不放过。
1.2
- figurative a company that tries to take over another〈喻〉想兼并扩张的公司。
词源
1920s: from Latin praedator 'plunderer'， from praedat- 'seized as plunder'， from the verb praedari （see PREDATION）.