高大上用英语怎么说

 　　high-class 高级的，第一流的，优质

class 等级

At first sight I can see that it is a high-class hotel.

我一眼就看出这是个高大上的旅馆。

To be frank, this is my very first time to eat at a high-class restaurant like this.

实话说，这是我第一次到这么高大上的餐厅吃饭。