[热炒热卖 / 熱炒熱賣, rè chǎo rè mài, ㄖㄜˋ ㄔㄠˇ ㄖㄜˋ ㄇㄞˋ]lit. to sell hot food freshly cooked; fig. to teach what one has just learned; enthusiasm of the new convert#403416[Add to Longdo]
[挂羊头,卖狗肉 / 掛羊頭,賣狗肉, guà yáng tóu, mài gǒu ròu, ㄍㄨㄚˋ ㄧㄤˊ ㄊㄡˊ, ㄇㄞˋ ㄍㄡˇ ㄖㄡˋ]to hang a sheep's head while selling dog meat (成语 saw); to cheat; dishonest advertising; wicked deeds carried out under banner of virtue[Add to Longdo]