Although chewing celery might seem like a strenuous activity, it burns about the same amount of calories as watching grass grow.

嚼芹菜，虽然看起来好像是一件费劲的事情，但其消耗的热量与什么也不做所消耗的能量相比，几乎一样。

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Richard Long's A Line Made By Walking, however, involved nothing more strenuous than a 20-minute train ride from Waterloo.

然而，理查德·朗的《行走的路线》并不比从滑铁卢坐20分钟火车更费力。

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I can concede that a player's mental attitude can be the deciding factor in an event, for instance, a marathon running or even a less strenuous game such as chess.

我承认，一个运动员的心态可能是一个赛事的决定因素，如马拉松赛跑，或甚至是一个不那么激烈的比赛，如国际象棋。

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Cariocas come to pose, hang out with friends and get active, whether it is a strenuous game of beach volleyball or a gentle stroll along the boardwalk.

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Landless and destitute, they settled on the lands of the raja of Shankargarh and took up a strenuous but simple trade: smashing rock into gravel.

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Jim Nussle, a former congressman from Iowa, was nominated as his successor and will take on the job amid a strenuous budget battle on Capitol Hill.

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