U.S. aid to Yemen has fluctuated over the years, depending on how grave the terror threat is perceived to be.

数年来美国在援助也门问题上一直摇摆不定，考量的标准是其对美国的恐怖威胁程度。

youdao

The security source said there are no plans to raise the terror threat level in the United Kingdom from severe to critical.

该消息也提到英国并不打算将恐怖威胁级别从严重提高到特别严重。

youdao

A Dubai-bound United Arab Emirates passenger flight was grounded in Mumbai Sunday, just 15 minutes after it took off, following a terror threat.

7日，一架原定飞往迪拜的阿联酋客机因收到恐怖威胁，起飞后15分钟即迫降孟买。

youdao

He says it would be unwise to proclaim that no terror attack could occur in his country, but he said there is no known threat at this time.

VOA: standard.2010.06.02

The British government says the country's terror threat is taking a step down from critical.

NPR: Britain Eases Terror-Threat Alert Level

The FBI also identified a British-based group, Stop Huntingdon Animal Cruelty, as a U.S. terror threat.

CNN: FBI, ATF address domestic terrorism

The figures will be studied to see what impact, if any, the increased terror threat has on responses from the Catholic community.

BBC: Police recruits issued with guns