Your idea of a day on the beach sounds lovely. Can I join you?

你说的在海滩上玩一天的主意听起来不错。我能加入你们吗？

youdao

Do you mind if I join you?

我和你们在一起，可以吗？

《牛津词典》

Can I join you next time?

下次我能和你一起吗？

youdao

We would love to have you join us again next week for THIS IS AMERICA in VOA Special English.

VOA: special.2010.02.08

Middle east is emboiled into so many security issues that it's not obvious ... that it's ready to join you know...sort of ... and focused mainly on economic development.

中东历来安全问题,相当棘手,它似乎还没有准备好加入。,或是专注于经济发展。

普林斯顿公开课 - 国际座谈会课程节选

Can I join you? Or something.

我能和你一起玩吗？或者就是这一类的。

圣莫妮卡和洛杉矶 - SpeakingMax英语口语达人

Professor WILLIAM WEAVER (Law, University of Texas at El Paso): Nice to join you.

NPR: Invoking the State Secrets Privilege

France, Germany, Japan--we would join you in economic purgatory but for the saving grace of startups.

FORBES: Why We Need Startups

So why would people want to join you without being on your formal board?

FORBES: Choosing Wisely: How to Pick Your Advisors