The marathon is a severe test of stamina.

马拉松赛跑是对耐力的严峻考验。

《牛津词典》

Holland's system received a severe test when a truck loaded with chemical substances caught fire in the tunnel and exploded.

当一辆装满化学物质的卡车在隧道中起火并爆炸时，霍兰德的系统受到了严峻的考验。

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"It was a severe test of guts and will," Liang said.

良杰说：“这是对胆量和意志力的一次严峻考验。”

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The Internet, "appears to have survived a severe test of the adaptable traffic routing concepts it embodies, " the company said.

CNN: Networks hit, but telecom stays operational

German Chancellor Angela Merkel said Europe was experiencing its "most severe test in decades" but that Europe was growing closer in the debt crisis.

BBC: Europe leaders warn of difficult 2012

Besides the risk to markets, however, a severe slump in share prices would provide the mutual-fund industry itself with its most severe test to date.

ECONOMIST: Will investors run for cover?