◎ 蝙蝠不自見，笑他梁上燕 biān fú bù zì jiàn，xiào tā liáng shàng yàn

1. [The bat laughs at the swallow on the beam without seeing itself] 比喻人缺乏自知之明，只看見別人的缺點，卻看不見自己的短處。