Rarely heard of
It is a Chinese idiom to describe a person who has little knowledge and little knowledge.
source
Yang Xiong's "Fa Yan · Wu Zi" in Han Dynasty: "if you don't know much about it, there will be no appointment, if you don't see much about it, there will be no excellence."
usage
It is not widely known
words whose meaning is similar
with very limited knowledge and scanty information
antonym
have great experience
english
haveseennotmuchandheardlittle
Rarely heard of
Straight from the inside to the outside - zhí nèi fāng wài
an important statement need not be prolix - yào yán bù fán