了不得

liǎobùdé
  1. (colloquial) extremely; awfully; terribly
  2. (colloquial) serious; critical; severe
  3. (colloquial) wonderful; terrific
  4. extremely; awfully; terribly
  5. serious; critical; severe
  6. wonderful; terrific

Wiktionary

Homographs

了不得 liǎobude
  1. terrific
  2. terrible
  3. (after 得 de) very

Entry Composition

=1 了 le
  1. (completed action marker)
  2. (modal particle indicating change of state, situation now)
  3. (modal particle intensifying preceding clause)
=1 了 liǎo
  1. to finish
  2. (used with 得 dé or 不 bù after a verb to express (im)possibility, as in 忘不了 wàngbuliǎo "cannot forget")
  3. (literary) (usually followed by a negative such as 无 wú or 不 bù) completely (not); entirely (not); (not) in the least
  4. to understand clearly (variant of 了 liǎo)
=1 了 liǎo
  1. (of eyes) bright
  2. clear-sighted
  3. to understand clearly
=1 了 liào unofficial variant of 瞭 liào
=2 不得 bùdé
  1. must not
  2. may not
  3. not to be allowed
  4. cannot
=2 不得 bude complement placed after a verb to express impossibility or inability; cannot; be unable to