A predatory animal kills and eats other animals

The owl is a predatory bird that kills its prey with its claws. 猫头鹰是一种捕食性鸟类，它用爪子杀死猎物。

A predatory person or organization tries to get something that belongs to someone else

The company spent much effort in avoiding takeover bids from predatory competitors. 该公司作出很多努力防止掠夺性竞争对手对其实施收购。

used to describe someone who expresses sexual interest in a very obvious way

I hate going to bars on my own because men look at you in such a predatory way. 我不喜欢一个人去酒吧，因为那里的男人会色眯眯地看着你。