ADJ-GRADED [usually ADJ n]高级的;上等的;一流的;优质的 If you describe something as high-class, you mean that it is of very good quality or of superior social status. 高级的;上等的;一流的;优质的
...a high-class jeweller's.
高级珠宝店
SYN high-quality, top [slang], choice, U [British, informal]