bend the brows
In Chinese, the Pinyin is ch ó um é IB ù zh ǎ n, which means that the two brows are locked due to sadness. It's a way to describe being preoccupied. It comes from "Suizhou presents Li Shiyu" by Yao Hu of Tang Dynasty.
The origin of Idioms
Yao Hu's Suizhou offering Li Shi Yu (2) in Tang Dynasty: "in the old days, every cup was empty, but it was evening. I was sad for several years."
Analysis of Idioms
Smile, smile and smile
Idiom usage
After I saw the leader serving tea, I had to go back to my home, where I coughed and sighed at my wife and children all day long. The 30th chapter of Li Baojia's officialdom in the Qing Dynasty
bend the brows
talk till one's tongue and lips are parched - chún jiāo shé bì
the dog barks at a man who is not his master - gǒu fèi fēi zhǔ
remember forever with gratitude - juān gǔ míng xīn