办公室同事升职，如何用地道口语向他表示祝贺呢？我们一起来看看吧。

Congratulate on your promotion.
恭喜你升职了。

We're happy you got the promotion.
很高兴你得到了提拔。

This career move is the right direction.
这次职位变动是你在事业上的一次迈进。

I'm so glad that you were elected the leader.
真高兴你被选为领导了。

This is a red-letter day for you. Congratulations!
这是个值得纪念的日子。祝贺你！

I'm glad that you were promoted to director.
真高兴你晋升为主管了。

You've been a great asset to our department.
你一直是我们部门的栋梁之材。

We hope you're successful in your new post.
我们祝你在新的岗位上成功。

Good luck and best wishes on your career move.
祝你在新的岗位上一帆风顺!