【伸手不见五指】〖shn shu bù jiàn w zh〗[so dark that you can't see your hand in front of you; pitch dark]

伸眉吐气著诗典，

手到拈来精粹编。

不解之缘映成趣，

见猎心喜凤翥鸾。

五湖四海鸿鹄侣，

指点江山捷报传。

形容光线非常暗，看不见四周围的事物。Describe light very dark, unseen all around thing.