high-class

Từ điển Oxford Advanced Learner 8th

ˌhigh-ˈclass [high-class] BrE NAmE adjective
1. excellent; of good quality
•a high-class restaurant
•to stay in high-class accommodation
•The musicians gave a high-class performance.
2. connected with a high social class
•to come from a high-class background
Opp: ↑low-class