do a discreditable thing secretly
Chinese idiom, Pinyin is Xun NSH ì s ī x ī n, which means to do something shameful in the dark. From the story of the Pearl, but marriage.
Idiom usage
It refers to doing bad things in secret.
Examples
I've always been open and aboveboard. I've never been
Analysis of Idioms
It's a shame in the dark room
The origin of Idioms
Lu Cai of Ming Dynasty wrote in the story of the Pearl, but marriage: "the husband rannuo is as heavy as a mountain, and he is selfish in the dark
do a discreditable thing secretly
no one picks up what 's left by the wayside - dào bù jǔ yí