"His birthday party" 或 "The party for his birthday" 是表达"他的生日晚宴"的常用英语短语。
这个短语来源于英语中对生日庆祝活动的描述，"party" 指的是聚会或派对，"birthday" 指的是生日。
例句：
He's having a big birthday party next weekend. (他下个周末要举办一个盛大的生日晚宴)
I'm really looking forward to his birthday party. (我非常期待他的生日晚宴)
We're going to surprise him at his birthday party. (我们要在他的生日晚宴上给他一个惊喜)