caviare
(also caviar), / ˈkævɪɑ:(r); ˌkævɪ`ɑr/ n [U]
1 pickled roe of sturgeon or other large fish, eaten as a delicacy 鱼子酱.
2 (idm 习语) be ,caviare to the `general (dated or joc 旧或谑) be too refined or delicate to be appreciated by ordinary people 过於高雅而不为一般人所欣赏; 阳春白雪.