be quite at a loss
Confused, pronunciation m á NgR á Nb ù Ji ě, is an idiom, meaning know nothing, do not understand.
explain
Blankness: unknown appearance.
source
Chapter 102 of Li Luyuan's Qiludeng in Qing Dynasty: "when Shao Jianqi talked about the past, Lou Pu was at a loss."
Examples of Idioms
I know only three sentences in ten sentences, but the rest are all. Chapter 6 of Feng Yuxiang's my life
Idiom usage
It can be used as predicate, attributive and adverbial.
Synonyms of Idioms
The synonym is at a loss
be quite at a loss
lady 's thick and beautiful hair - yún huán wù bìn
not to injure the people in the least - qiū háo wú fàn