不谙世事 bù ān shì shì

DEFINITIONS

  1. to be inexperienced or ignorant of the ways of the world; lacking knowledge or understanding of worldly matters

CHARACTERS

不 bù
HSK 1
no, not; un-; negative prefix
谙 ān versed in, fully acquainted with
世 shì
HSK 3
generation; world; era
事 shì
HSK 2
affair, matter, business; to serve; accident, incident