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。

　　疯狂练习吧！