has just detonated a homemade device,

在曼徹斯特體育場引爆自製的爆炸裝置

killing 22 people attending an Ariana Grande concert.

造成 22 名參與亞莉安娜．格蘭德演唱會的民眾遇害

It was the deadliest terror attack in the UK's most deadly year since the 7/7

可以說是 2005 年倫敦七七爆炸案後

bombings in London in 2005.

最駭人致命的恐怖攻擊事件

One year on, the threat from Islamist inspired extremism

即使一年過去，伊斯蘭主義者帶來的威脅所引發的極端主義

shows no signs of abating.

絲毫沒有減弱的跡象

The terror threat level in the UK remains severe,

英國國內的恐怖威脅程度仍居高不下

one step down from its highest possible level,

與可能達到的最高層級只有一階之差

and security officials say it could remain this way until 2020.

安全部門的官員表示，這樣的情況可能會持續到 2020 年

In the UK alone since the Westminster attack in March last year,

去年三月西敏市攻擊事件後，在與警方合作下

with the police we've thwarted a further 12 Islamist terror plots--

我們更進一步阻撓了 12 件伊斯蘭恐怖主義陰謀

12 occasions where we have good reason

有充分的證據相信這些預謀

to believe a terrorist attack would otherwise have taken place in our country.

足以在國內其他城市發展成恐怖攻擊

MI5 and police are dealing with unprecedented numbers of leads

在去年曼徹斯特與倫敦遭到攻擊之後

following last year's attacks in Manchester and London.

軍情五處與警方正著手處理前所未有的線索數量

There are 500 separate investigations

高達單獨 500 件的調查案

and 3,000 subjects of interest being actively watched.

以及 3000 個相關份子被密切關注

The heightened state of vigilance

而大環境威脅的變化也解釋了

is also explained by the shifting nature of the threat.

全民警戒心的提升

As ISIS has surrendered its strongholds in Iraq and Syria,

由於伊斯蘭國放棄了其在伊拉克和敘利亞的據點

so the threat from returning jihadists has also grown.

來自伊斯蘭聖戰份子的威脅因此大大成長

At the same time, online extremists

同一時間，網絡極端人士

are inspiring would-be terrorists remotely, encouraging and guiding

遠程地鼓吹那些潛在恐怖份子

them to carry out low tech, lone wolf attacks which are so difficult to detect.

鼓勵並引導他們進行難以察覺的低技術、孤狼式攻擊

In this climate,

在這樣嚴峻的情勢下

dropping your guard is not an option for the security services and the police.

安全部門與警方更不能掉以輕心

We are highly effective at preventing attacks in this country,

我們在國內有效地預防了攻擊的發生

but highly volatile people

但那些高度不穩定族群

who are intent on doing something absolutely terrible,

試圖做一些極端可怕的事

and in that act are quite happy, maybe even pleased, to kill themselves.

以此為樂，甚至失去自己的性命也在所不惜

And to use low tech methods,

而低技術的方式

these are difficult things to defend against.

會使得防範更加困難

For a city which prides itself on its diversity,

對於一個以其多樣性自豪的城市

the events of last year are still a shock.

去年一連串的事件仍然令人震驚

But for the UK as a whole there is no sign

針對全英國來看

that the wider threat will ease anytime soon.

規模更大的威脅恐怕不會在短時間內消退