assume an air of self-approbation
Shaking one's head, a Chinese idiom, Pinyin is y á ot ó UB ǎ in ǎ o, which means shaking one's head. Describes the appearance of being proud or happy. It also describes the posture of reading and reciting. It's from "Hua Yu Hua".
The origin of Idioms
The second volume of Wang Ming Qing's "Hua Yu Hua" in Song Dynasty: "Xiang de Duanming looks like a tiger, and shaking one's head is disgusting."
Discrimination of words
Shaking one's head
Idiom usage
As a predicate, adverbial, attributive; refers to a person's manner
assume an air of self-approbation
lower one 's banners and muffle one 's drums - yǎn qí pú gǔ
beautiful verses in an embroidered purse -- good poems - jǐn náng jiā jù
discover the minutest detail in everything - míng chá qiū háo
praising those who are good at discovering talents - bó lè xiàng mǎ