have only a superficial understanding
In Chinese, Pinyin is l ü è zh ī P í m á o, which means a little superficial knowledge. It's from flowers in the mirror.
The origin of Idioms
Chapter 17 of Li Ruzhen's Jing Hua Yuan in the Qing Dynasty: "talented women and scholars talk about Fanqie, but they are still speechless. What's more, we don't dare to talk nonsense and make people laugh!"
Idiom usage
The verb object type is used as predicate and attributive with derogatory meaning.
Examples
We can't draw a conclusion on this matter.
Chinese PinYin : lüè zhī pí máo
have only a superficial understanding
blame everyone and everything but not oneself. yuàn tiān yóu rén
burn straws and weeds and water the land. huǒ gēng shuǐ zhòng
trace to the very source of sth.. qióng yuán shuò liú