The country is frighteningly close to possessing nuclear weapons.

令人恐惧的是，该国离拥有核武器为期不远。

《柯林斯英汉双解大词典》

But life in modern America is punctuated frighteningly often by such attacks.

但是现代美国人的生活中总是时不时的受这样令人毛骨悚然的枪击事件所影响。

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Energy, though not as frighteningly expensive as in 2008, is also no longer cheap.

能源虽然不像2008年一样急剧昂贵，但也不再便宜。

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It has human characteristics, but is so much more frighteningly more.

VOA: standard.2010.06.09

Frighteningly, both are armed with the latest technologies and the winner is far from predictable.

FORBES: Notes From A Distant Node

But the network vulnerability that Anton Kapela and Alex Pilosov will present is frighteningly simple.

FORBES: Magazine Article

Then the Benghazi and IRS scandals, and possibly the AP one, look frighteningly effective.

WSJ: Best of the Web Today: What Would Bulworth Do?