tight-lipped
It's a Chinese idiom. Pinyin is n è K ǒ ush ǎ oy á n, which means that you are not good at talking and don't speak much. From the biography of General Li in historical records.
Idiom explanation
Nagou: not good at speaking.
The origin of Idioms
In the biography of General Li in historical records, it is said that "when you are broad and silent, when you are living with people, you draw the ground for the army, and when you are broad and narrow, you drink."
Idiom usage
He is not good at speaking.
tight-lipped
the words still ring in one 's ears - yán yóu zài ěr
shrink from no difficulty or danger - bù bì jiān xiǎn