这些学生被驱逐出境，因为他们对国家安全构成威胁。

The students were deported because they posed a threat to national security.

死亡威胁。

Death threats.

他威胁要开枪，但我从没想过他会开枪。

He threatened to shoot, but I never thought he would.

这是一个巨大的威胁。

So that's a huge threat.

什么威胁也吓不倒我们.

No threat can daunt us.