assume the appearance of a man of integrity
It's a Chinese idiom. Its pronunciation is à NR á nd à om à o, which means a serious look. From Liaozhaizhiyi Chengxian.
The origin of Idioms
Pu Songling's strange tales from a lonely studio, Cheng Xian, in the Qing Dynasty: "in another 89 years, Cheng suddenly arrived, dressed in yellow scarves and coats, and looked like a real man."
Idiom usage
Used as an attribute or adverbial; used to mock
Examples
Chinese scholars have a kind of natural appearance, special root, unique, to name in the public. The revolutionary army by Zou Rong in Qing Dynasty
Analysis of Idioms
Be honest
Antonym: Hippie smile
assume the appearance of a man of integrity
act according to circumstances - bīng wú cháng xíng
My mouth is boiling and my eyes are red - kǒu fèi mù chì
neither priest nor layman -- nondescript - bù sēng bù sú