0 needing or using a lot of physical or mental effort or energy -- 費力的，費勁的；繁重的；耗費精力的
He rarely does anything more strenuous than changing the channels on the television. 他很少做比切換電視頻道更費神的事。
His doctor advised him not to do any strenuous exercise. 他的醫生建議他不要做任何劇烈運動。
Strenuous efforts were made throughout the war to disguise the scale of civilian casualties. 整個戰爭期間，政府都在煞費苦心掩飾人民的傷亡程度。
For older freelancers, then, the occupation was found to be an increasingly strenuous and compromised endeavour, and it was undertaken for ever-diminishing returns.
A highly condensed exposition makes for strenuous reading in a few papers, but the contents make it well worth the effort.
But what is most striking is that most authors made no such attempt, and indeed made strenuous efforts to secure proper authorization for their works.
We currently recommend abstention from competitive or strenuous sports for the majority of patients with hypertrophic cardiomyopathy.
It was strenuous work, but it succeeded in the end.
Giving due weight to this logic of the sacred requires a particularly strenuous leap into historical and cultural otherness.
Seventy-seven percent of these patients had no symptoms of angina or dyspnea with normal or less strenuous effort.
Automatic writing was one of the most widespread mediumistic gifts, as it required nothing more strenuous that the ability to enter a trance.
