人小鬼大

[rén xiǎo guǐ dà]

[释义]
» [a child daring to do great mischief] 言指年纪小而头脑却很精明,为人调皮,鬼主意多。语气亲切
» 这孩子人小鬼大,把我都骗过了

[英文]
Big man, little ghost