Sonnets are the most rigorous and challenging lyrics in the English poems.

在英语诗歌中，最严谨、最富有挑战性的抒情诗是十四行诗。

youdao

Do you think such programs are as rigorous and challenging as traditional programs?

你认为这样的程序是严格的和富有挑战性的传统节目？

youdao

This was obviously a simplistic test, since the database would cache the queries; other tests, however, were more rigorous and challenging.

这显然是一个很简单的测试，因为数据库能够缓存查询；其他的一些测试会更加的严格和具有挑战性。

youdao

Mr Tarr said teaching should be rigorous and challenging, but it was "academic snobbery" to say you could only study history by taking lots of detailed notes.

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We have every reason to believe peer review will be challenging and rigorous, as often it requires professionals to spot problems others may miss.

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Meeting that rigorous standard has been made more all-the-more challenging by the concomitant exodus of the skilled workforce and the increasing obsolescence and unsustainability of the industrial complex it mans.

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