1·Strenuous efforts had been made to improve conditions in the jail.
为改善那家监狱里的条件已做了艰苦的努力。
—— 《柯林斯英汉双解大词典》
2·Greece, Spain and Italy all made strenuous efforts to qualify for the euro.
希腊、西班牙和意大利为加入欧元区都作出了艰苦的努力。
3·I also am doing short RACES, which is fun after the strenuous training for Ironman.
同时我还参加了一些短距离的比赛，这给铁人赛的艰苦训练带来了乐趣。
4·Use camelbacks if you are going on amore strenuous hike (backpacks with water bladders and drinking tubes).
如果你打算进行一次艰苦的远足的话，请使用再生橡胶(装上水袋和可以吸取水的水管)。
5·Very hard (very strenuous, and you are very fatigued)
非常辛苦 (非常艰苦，感觉非常疲劳)
1·What the researchers found was that, at first blush, strenuous physical activity does seem to damage knees.
研究人员发现，乍看之下剧烈的体能活动会伤害膝盖。
2·"Except for very strenuous yoga practices, you don't really burn enough energy to make any difference in terms of weight," said Kristal, who has practiced yoga for 10 years.
“除非是做特别剧烈的瑜伽运动，否则你实际消耗的能量不足以减肥。”克里斯多说，他练习瑜伽已经有10年了。
3·When a thick cloud of air pollution settled in over London last week, experts warned those with health problems to avoid strenuous exercise.
上周，当伦敦笼罩在污染严重的空气中时，专家警告存在健康问题的人应避免剧烈运动。
4·Don't do strenuous exercises until your wound is healed.
不要做剧烈活动，直到你的伤口愈合。
5·I think yoga suit me best, because I don't like strenuous exercise.
我认为瑜伽更适合我，因为我不喜欢剧烈运动。
1·Three years of running this strenuous marathon.
紧张的马拉松式长跑的三年。
2·After strenuous talks, a cease-fire agreement was brought to pass, and in return it brought about 10 years of peaceful co-existence between the two countries.
在紧张的谈判以后达成了一项停火协定，这给两国带来了10年和平共处的局面。
3·Anyone who engages in strenuous outdoor activity-from jogging to manual labor-may suffer smog-related health effects.
任何从事紧张户外活动的人-从慢跑到体力劳动-都可能遭受和雾霾相关的健康后果。
4·Real life was gloomy and strenuous.
真实的生活又沉闷又紧张。
5·For the strenuous energy sources currently, the application of solar energy is paid more attention by many countries all the word than before.
针对当前能源紧张的局面，太阳能作为绿色能源越来越受到世界各国的重视。