He said the Earth is hiring and it was up to them to join together and do what is needed to help save the planet.

VOA: special.2009.06.05

And so the mixed group that would join together to become Israel accepted Yahweh, though perhaps not exclusively, and adopted the national story of the Exodus as its own at some point.

那么这些融合的群体团结起来,成为接受耶和华的以色列，也许并不是排外的，在这时将《出埃及记》纳入变为国家历史故事。

耶鲁公开课 - 旧约导论课程节选

Or maybe you want a friend to join the gym with you. So that you can exercise together.

又或者，你希望找一个朋友跟你一起去健身，这样你们俩就可以一块锻炼了。

Why don't 课堂 - SpeakingMax英语口语达人

Clinton said the United States will "stand by all Iraqis, at this crucial time leading up to national elections, and we pledge to join them in working together to combat all forms of violence and attempts at intimidation."

VOA: standard.2009.10.26

Why don't we join a gym together?

我们一起去健身吧？

Why don't 实战 - SpeakingMax英语口语达人

This brought in their writing skills. After we talk about all of them, we will write the numbers down - now this is three and two more - before we even tell them the plus sign, you know,how to join things together."

VOA: standard.2010.08.10

You could use the "Why don't we" pattern to suggest that you both join a gym together.

你可以使用“Why don't we~?”句型来提出你们俩一起去健身的想法。

Why don't 课堂 - SpeakingMax英语口语达人

"It should really serve,I think, as a stimulus to us to find ways to recapture the partnership so we can join forces and fight together against the threats and challenges of the 21st century that are no less dangerous than Hitler was in his time."

VOA: standard.2010.05.07