sunday best

基本解釋

You look like you're in your Sunday best.
看來(lái)你像是穿出你最好的衣服了。
Jack Nicholson dressed in his Easter Sunday best, wearing a jacket and purple tie instead of his usual rumpled look.
杰克·尼科爾森一改往日皺皺巴巴的休閑打扮，穿上了夾克配紫色領(lǐng)帶，作為復(fù)活節(jié)節(jié)日打扮。
Mary , a well-known Sunday painter's girl Friday , went to the art exhibition in her Sunday best yesterday and made a hit with all the gentlemen there who seemed to have Sunday-go-to-meeting manners .
瑪麗是一位有名的業(yè)余畫(huà)家的女助手。她昨天身著盛裝去赴藝術(shù)展覽會(huì)，風(fēng)靡了所有在場(chǎng)的那些看起來(lái)風(fēng)度翩翩的紳士們。
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You must network in your sweats and in your Sunday best.
FORBES: 5 Steps to Smooth Networking

If you are in your Sunday best, you are wearing your best clothes, which you only wear for special occasions.