世界上有五种犀牛都面临威胁。

There are five types of rhino in the world which are all under threat.

它的栖息地受到威胁吗？

Is its habitat being threatened?

人类活动正在威胁动物和植物。

Human activities are threatening animals and plants.

在故事中，这名男子威胁了侦探。

In the story, the man threatens the detective.

世界上许多动物正面临灭绝的威胁。

Many of the world's animals are under threat of extinction.