摸不透

mobūtòu
  1. (informal) to be unsure; to be uncertain
  2. (informal) to not know well
  3. to be unsure; to be uncertain
  4. to not know well

Wiktionary

Entry Composition

=1 摸 mō
  1. to feel with the hand
  2. to touch
  3. to stroke
  4. to grope
  5. to steal
  6. to abstract
=1 摸 mó variant of 摹 mó
2 不 bù
  1. no; not so
  2. (bound form) not; un-
=3 透 tòu
  1. (bound form) to penetrate; to seep through
  2. to tell secretly; to leak
  3. thoroughly; through and through
  4. to appear; to show
=3 透 shū
  1. (obsolete) startled; alarmed; disturbed
  2. startled; alarmed; disturbed