不知丁董 bù zhī dīng dǒng

DEFINITIONS

  1. forgetting the fate of Ding and Dong (idiom)
  2. unheeding the lessons of the past

CHARACTERS

不 bù
HSK 1
no, not; un-; negative prefix
知 zhī
HSK 2
know, perceive, comprehend
丁 dīng
HSK 6
male adult; robust, vigorous; 4th heavenly stem
董 dǒng
HSK 6
direct, supervise; surname