The party is on Friday evening.

　　聚會(huì )定于周五晚上舉行。

　　He wore formal evening dress.

　　他穿了正式的晚禮服。

　　Everyone was in evening dress.

　　人人都身著(zhù)晚禮服。

　　What are you doing this evening?

　　你今晚打算做什么？

　　Is there a surgery this evening?

　　今晚有沒(méi)有醫生應診？