This one is the most alarming reason to be skeptical.

这是最令人担忧的原因之一是怀疑。

youdao

The most alarming revelation was the speed at which GM’s financial position is deteriorating.

然而最令人震惊的是计划中所透露的通用财务状况的恶化速度。

youdao

But the most alarming projection, backed by more and more scientific data, has to do with the impact of the DAMS on fish stocks.

但最应当引起警醒的预测——正被越来越多的科学数据所支持的是，该如何应对水坝对鱼类资源造成的影响。

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"Right now at a time when there are more hungry people in the world than ever before, there is less food aid than we have seen in living memory and this is extremely alarming to the World Food Program because we are the ones on the front lines trying to help the most hungry out of the one billion people who are going to bed every night without enough food."

VOA: standard.2009.10.14

The most alarming revelation was the speed at which GM's financial position is deteriorating.

ECONOMIST: America's carmakers

The most alarming feature, experts said, is that Flame can be highly versatile, depending on instructions by its controller.

WSJ: Cyberattack Hits Iranian PCs

It represents one of the most alarming reductions of freedom in our lifetimes.

CNN: McCain's August 6, 2007, speech addressing private property rights