Going with national suffering, the days of its vigorous growth was just the time of very grave peril of Japanese pirates.

和民族的忧患结伴而行，它的勃兴之日恰是倭患深重之时。

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Louisiana's rich fishing grounds, which produce about a third of the seafood eaten in the lower 48 states, have largely been shut down, and their future is in grave peril.

路易斯安那州丰富的渔场(为美国本土48个州提供了三分之一的海产品)多数已被迫关闭，该州的前景非常危险。

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"If Iran were to acquire nuclear weapons, it could give a nuclear umbrella to terrorists, or worse it could actually give terrorists nuclear weapons, and that would put us all in grave peril."

VOA: special.2009.05.23

To others, he is the financial industry insider who facilitated reckless corporate risk-taking that placed the national and global economy in grave peril in the first place.

VOA: standard.2010.01.24

Despite the force-feeding, he said, many hunger strikers were in "grave peril".

BBC: NEWS | Americas | Guantanamo man 'wants to starve'

Falling house prices in isolation would constitute no grave peril.

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