恬不知恥 tián bù zhī chǐ

DEFINITIONS

  1. to have no sense of shame

CHARACTERS

恬 tián quiet, calm, tranquil, peaceful
不 bù
HSK 1
no, not; un-; negative prefix
知 zhī
HSK 2
know, perceive, comprehend
恥 chǐ shame, humiliation; ashamed