“您好，能一起合张影吗”？英语怎么说？？

Hello, do you mind taking a picture with me?
你好，介意和我来一张合照吗？

Hello, do i have the honour to take a photo with you?
嗨，请问我有没有那个荣幸可以和你照一张像？

两个应该就够用了吧，嘻嘻

Excuse me,could you please take a photo with me?

Excuse me, I'd like to take a photo with you. May I?