They pay for their children to go to a posh school.

他们花钱让子女上贵族学校。

《牛津词典》

Celebrating a promotion, I took her to a posh hotel for a cocktail.

为庆祝晋升，我带她去了一家豪华酒店喝鸡尾酒。

《柯林斯英汉双解大词典》

One needs to have a posh shop to attract the customers.

需要有一家豪华的商店来吸引顾客。

youdao

I think that's mainly because Hollywood only ever chooses people with a very posh English accent.

我想，主要因为好莱坞只选那些有高傲的英式口音的人。

优雅的英式英语 - SpeakingMax英语口语达人

Last year built a posh old folks home in Bielefeld, not far from company headquarters.

FORBES: Europe

Think of it as being a little like which fork to use at a posh dinner.

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John Lewis, which also owns Waitrose, a posh grocery chain, seems to bear this out.

ECONOMIST: A cuddly model of capitalism has been oversold