By saying "one of the harder challenges", the author implies that forests may become a potential threat.

作者用“更艰巨的挑战之一”来暗示森林可能成为一个潜在威胁。

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Officials from the Food and Drug Administration will argue that Canadian drugs might be fake, mishandled, or even a potential threat to life.

美国食品和药物管理局的官员会声称，加拿大的药品可能是假冒的、处理不当的，甚至会对生命构成潜在威胁。

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That means giving priority to potential threat.

这意味着对潜在的威胁安排优先处理顺序。

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President Obama said the U.S.government must be able to act decisively when information surfaces about a potential threat.

VOA: standard.2009.11.16

Peter was the first child of his father's second wife and thus a potential threat to the ambition of the relatives of the first wife.

彼得是他父亲与其第二任妻子的长子,因此对第一任妻子的亲戚们而言,彼得是他们的一个潜在威胁

耶鲁公开课 - 欧洲文明课程节选

"It would be a potential threat to sort of a democratic government.

VOA: standard.2009.11.14

Any such "proxies" would be viewed as a "potential threat" to coalition forces, Rumsfeld said.

CNN: Rumsfeld warns Syria about aiding Iraq

"We need to ensure that every potential threat or barrier to investment is removed, " he said.

BBC: Sheffield flood defence scheme to be extended

And while there are no cases of WAP viruses to date, the potential threat is significant.

CNN: Company scans for viruses targeting PDAs, WAP devices