She beckoned him to come and join them.

她打手势要他来加入他们的活动。

《牛津词典》

You can join them.

你可以加入他们。

youdao

youdao

When they returned to the university, the four students called on others to join them the next day at Woolworth's.

VOA: special.2010.01.29

And what is more, they actually invited me at once to join them, as though politics and I were a fit match.

更甚之，他们其实曾邀请过我加入他们，因认为我是块政治的料子。

耶鲁公开课 - 政治哲学导论课程节选

You join them during the second semester of your sophomore year and

你在大二的第二学期才能加入饮食俱乐部。

有趣的吃东西协会 - SpeakingMax英语口语达人

Absent a doc fix, many more physicians would surely join them on the sidelines.

FORBES: Forget The Doctor Fix, We Need A Medicare Fix

Of course, Mance is no dummy and asks why Jon wants to join them.

FORBES: Game of Thrones 3.01 Recap: Let the Games Begin Again

She told NPR in 1991 that musicians would invite her to join them on the bandstand.

NPR: Blues Queen Koko Taylor Dies At 80