Guests are requested to wear formal attire.

要求客人们穿正装出席。

youdao

Among retirees what is considered formal attire?

退休人员怎样才被认为是服装整齐？

youdao

In your mind, the idea arrived in formal attire, impeccably groomed, and ready for an evening of wine and dance.

你记得最初的想法来到时，穿着礼服，打扮得无可挑剔，准备去参加有酒有舞的晚会。

youdao

Standing next to him was Empress Michiko, wearing a black kimono, the most formal attire for the Japanese people.

WSJ: Japan Marks One-Year Anniversary of March 11 Earthquake and Tsunami

The casual jacket and off-the-cuff remarks have now given way to formal attire and interviews, to project a more presidential image.

CNN: Reinventing Estrada

In the afternoon, I dug a hat out the depths of my pack, by way of formal attire, and I set off for the wedding.

BBC: Following the Silk Road to the end of China