1 (wiktionary) 2 (zh.wikipedia) 3 (en.wikipedia) 4 (glosbe)

Compounds Expand your vocabulary by studying more complex words built by the 'core words'.

CORE WORDS

HSK 1.0 (1992)
Big5
Gb
Pin
Eng

B
不得了

不得了

bu4de2liao3

very/ terribly

不  不 no, not / un- / negative prefix
得  得 obtain, get, gain, acquire
了  了 to finish / particle of completed action

HSK 2.0 (2010)
Big5
Gb
Pin
Eng

HSK 3.0 (2022)
Big5
Gb
Pin
Eng