华而不实 [- ér bù shí](比喻外表好看， 内容空虚) produce flowers but bear no fruits — be flashy without substance; have all one's goods in the window; showy and not substantial; superficially clever：
•¶ 市上大批新的定做的皮衣中有许多是华而不实的， 但也有一些实用的东西。 The new collections of custom furs around town reveal plenty of folderol, but there are practical things too.