Adjectival complements "-得不得了 debùdéliǎo" & "得很 dehěn" - B2 Grammar
-得不得了 (debùdéliǎo) is used to suggest a situation is serious or may result in terrible consequences. -得很 (dehěn) is used after adjectives to add intensity.
Patterns: Adj + 得不得了; Ajd + 得很