We must unite to stand against terrorism.

我们必须团结一致，反对恐怖主义。

Terrorism incidents are frequent and worrying.

恐怖主义事件频发，令人担忧。

The government is taking measures to combat terrorism.

政府正在采取措施打击恐怖主义。

Many countries have united to fight against terrorism.

许多国家联合起来对抗恐怖主义。

Terrorism poses a serious threat to global security.

恐怖主义对全球安全构成了严重威胁。