ㄒㄩㄧㄡˇyǒuㄑㄧˊㄅㄧㄠˇbiǎo

  1. ·》:玄宗器重,……,……退虛有其表。』」形容華麗外表實際內涵舊五代史···》:器宇高談虛論近理時人以為虛有其表。」徒負虛名外強中乾魚質龍文表裡如一名副其實

looks impressive but is worthless (idiom)​, not as good as it looks, a reputation with no substance
mehr Schein als Sein (Tech)​