参加某人的生日聚会用英文怎么说

"参加某人的生日聚会" 用英语可以说成 "attend (someone's) birthday party"。

"Attend" 是英语单词，意思是 "参加"。

"Someone" 是英语单词，意思是 "某人"。

"Birthday" 是英语单词，意思是 "生日"。

"Party" 是英语单词，意思是 "聚会"。

例句:

I will attend John's birthday party tonight. (我今晚会参加约翰的生日聚会。)
Would you pke to attend my birthday party next week? (你下周想参加我的生日聚会吗？)
I attended my friend's birthday party last weekend. (我上周末参加了我朋友的生日聚会。)