和临时办公楼须主动出示工作证件。

And the temporary offices must be active show work certificates.

youdao

这是我们的工作证件。

Here are our identifications. (Or, Here are our IDS.)

youdao

但当他出示他的工作证件(挂在脖子上)后，于是就让他进入。

But after showing his credentials (notice in the picture below that he's wearing his badge around his neck) he was allowed to enter the building.

youdao