◎ 笑里藏刀 xiàolǐ-cángdāo
[velvet paws hide sharp claws;cover the dagger with smile;daggers hiden behind smiles;There are daggers in man's smile] 形容外貌和善,内心狠毒
这是笑里藏刀,言清行浊的人。——《水浒传》