- 释义：
- adj. 费力的，艰辛的；奋发的，努力的
- 例句：
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We found the journey more strenuous than we had bargained for.
我们发现这次旅行比预料的要辛苦.
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He made strenuous attempts to stop her.
他为阻止她付出了极大的努力.
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Regular exercise conditions the body for strenuous activity.
经常锻练使身体适应剧烈活动.
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