The first came last month. The next is in November. Such a rare triple-threat occurs only once every 11 years.

第1个出现在上个月，下一个出现在11月。这种罕见的三重“不幸”每11年才出现一次。

youdao

Central America gets hit by a triple threat of natural disasters: earthquakes, hurricanes and mudslides.

中美洲受到地震、飓风和泥石流等自然灾害的三重威胁。

youdao

But there has been nothing like the triple threat in Japan wrought by last week's earthquake and tidal wave, combined with growing worries of a nuclear reactor meltdown.

不过与地震后的日本相比，这些都微不足道了。上周的日本地震、地震引发的海啸，再加上人们对震区核反应堆熔毁的恐慌日益加深，为日本汽车业带来了三重威胁。

youdao

Ultimately, cardiologists hope to create a powerful new triple-threat cocktail combining today's statin drugs for lowering bad cholesterol (like Lipitor) with new compounds to boost good cholesterol and other drugs that would directly reduce vessel-wall inflammation.

FORBES: Attacking Heart Attacks

Planning your meals in advance is a money-saving triple threat that will keep your savings account in the black.

FORBES: Four Easy Ways to Save in 2013

Taking a cure from NES controllers of yore, the mouse also packs a so-called "Triple Threat" button, which will let you get off three shots with a single click, or cut those exhausting double-clicking tasks in half.

ENGADGET: OCZ gets into peripheral biz with gaming mouse