sì​tǐ​bù​qín​wǔ​gǔ​bù​fēn

to be out of touch with reality

四体不勤,五谷不分 四體不勤,五穀不分 sì​tǐ​bù​qín​wǔ​gǔ​bù​fēn
to be out of touch with reality
literally meaning one who does not work with their limbs and cannot distinguish between different types of grain; describes someone who is lazy, out of touch with physical labor, or lacks basic life skills and practical knowledge