翻译：非常抱歉不能来参加你的生日聚会,我们另约时间

I'm very sorry that I can't come to your birthday party.Maybe we could meet on purpose next time.
I'm very sorry that I can't come to your birthday party.Maybe we could meet some other time.
另约时间指另约时间见面。

I feel sorry I can't attend your birthday party by that time, perhaps we can make it another time.
不太明白中文意思，是要改聚会时间，还是另约时间见面。

I'm sorry that I'll not be able to go to your birthday party. let's make another appointment later.

sorry,no,go,you,birthdayparty.

I'm very sorry that I can't come to your birthday party.We make another time.