We're all still waiting for someone to come. 我们还在等着有人过来。

I've been waiting for this a long time. 我已经等了很久了。

I'm waiting for my husband. He's bringing the car. 我正在等老公。他去取车了。

Could you wait for me in my office? 你能在我办公室里等一会吗？

Sure. I'll go and make myself comfortable. 好的，我去随便待着了。