A glimpse of the rat
A Chinese idiom, Pinyin is y í ngy í ngsh ǔ Ku ī, which means to camp like a fly and peep around like a mouse. It's like being greedy and shameless. It comes from he Xuebo's preface to winning the prize of pottery master in Qi Dynasty.
source
Wu Chengen's preface to he Xuebo's failure to win the prize of pottery master in Qi Dynasty in the Ming Dynasty: "talking about eye language in hand, Zhang wanduan, peeping at the enemy, shooting interest like a snake. I see that the butcher is in the marketplace, and now the school is in the cloth."
Part of speech
Derogatory idioms
A glimpse of the rat