不正当关系 bù zhèng dàng guān xì

DEFINITIONS

  1. improper relation
  2. adulterous relation

CHARACTERS

不 bù
HSK 1
no, not; un-; negative prefix
正 zhèng
HSK 2
right, proper, correct
当 dàng
HSK 3
bear, accept, undertake; just
关 guān
HSK 1
frontier pass; close; relation
系 xì
HSK 1
system; line, link, connection