炫:夸耀;贾:卖。拿玉吸引人,卖出的却是石头。比喻说的和做的不相符合。
carry high-sounding but misleading names <display as jade and sell stone>
炫(xuàn)
玉(yù)
贾(gǔ jiǎ)
石(shí dàn)