Oh, thank you.

哦，谢谢。

I'm meeting my girlfriend at 6:00.

我约好六点跟我女朋友见面。

Thanks for inviting me to the dinner. I'm looking forward to it.

谢谢你邀请我一起吃晚饭，约会日期早些到就好了。

I'd love to, but I have to be up early tomorrow.

我非常感谢，可是明天我得早起。

I just want to say that I'm proud of her.

我只要说，我为她感到骄傲。

Let's what?

你说什么？