not fully understand
In Chinese idioms, Pinyin is s ì D ǒ NGF ē ID ǒ ng, which means that you seem to understand, but you don't seem to understand. From gain and loss.
The origin of Idioms
Ye Shengtao's gains and losses: "however, students still don't understand, and they often can't talk about it when they teach them back."
Analysis of Idioms
Synonym: know a little antonym: know it like the back of your hand
Idiom usage
To use as a predicate for something.
not fully understand
beauty shown to the best advantage - jìn tài jí yán
cannot bear playing second fiddle - bù gān hòu rén
have a keen insight into matters - dòng chá yī qiè
mix the spurious with the genuine - yǐ wěi luàn zhēn