He's the acting manager right now

他现在是代理经理

Please send a formal letter to the manager.

请给经理写一封正式的信。

The manager put his official stamp on the document

经理在文件上盖了公章

Let me conference with my manager

我跟经理确认一下

We should discuss this issue with our manager.

我们应该和经理讨论一下这个问题。