I doubt whether he will come to my birthday party.

　　我不確定他是否會參加我的生日聚會。

　　I am planning a 25th birthday party for my nephew.

　　我正在為侄子籌劃他25歲的生日聚會。

　　She invited him to her 26th birthday party in New Jersey.

　　她邀請了他參加她在新澤西舉辦的26歲生日聚會。