The company has a strict dress code—all male employees are expected to wear suits.

公司有严格的着装规定—所有男职员都要穿西服。

《牛津词典》

You'll also need to be careful if you're visiting anywhere with a strict dress code.

如果你要到访的地方有着严格的着装要求，那么你也需要小心。

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Wimbledon traditions include a strict dress code for competitors, the eating of strawberries and cream by spectators, and the presence of members of the Royal Family.

温网有很多传统，比如对参赛选手严格的着装要求，观众在观看比赛期间的传统零食草莓配奶油，还有英国王室成员的出席。

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The adjudicators also made sure that the 'sisters' observed a strict dress code.

BBC: A man dressed as a nun drinks outside a pub

And Muslim women who observe a strict dress code are seen as a challenge to European notions of secularism and modernity.

NPR: In Europe, Muslim Women Face Multiple Issues

Remember you are in a Muslim country, so a strict dress code is enforced and women are obliged to cover their head.

BBC: Abu Dhabi: The city of superlatives