不可端倪 bù kě duān ní

DEFINITIONS

  1. impossible to get even an outline (idiom)
  2. unfathomable
  3. not a clue

CHARACTERS

不 bù
HSK 1
no, not; un-; negative prefix
可 kě
HSK 2
may, can, -able; possibly
端 duān
HSK 6
end, extreme; head; beginning
倪 ní feeble, tiny, young and weak