◎ 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 while unaware of its own odd appearance] 比喻人缺乏自知之明，只會嘲笑別人的缺點，卻看不見自己的短處。 世人皆似蝙蝠不自見，笑他梁上燕。——唐·李延壽《北史·崔逵傳》