不可告人不能告诉别人多用以形容邪恶的目的等。英secret act; ulterior; motive that cannot be admitted;[查看详情]

心怀鬼胎比喻怀着不可告人的想头。例谁知素梅心怀鬼胎只是长吁短叹好生愁闷默默归房去了。——明凌濛初《二刻拍案惊奇》英entertain dark schemes; with a guilty conscience with misgivings in one's heart;[查看详情]

居心叵测心存险诈难以预测。英with hidden intent;[查看详情]

包藏祸心祸心：害人之心。心里藏着坏念头。例瞧这家伙鬼鬼祟祟的样子准知道他包藏祸心。英harbor evil intentions; hide malicious intents;[查看详情]

笑里藏刀形容外貌和善内心狠毒。例这是笑里藏刀言清行浊的人。——《水浒传》英velvet paws hide sharp claws; cover the dagger with smile; daggers hiden behind smiles; There are daggers in man' s smile;[查看详情]