HSK V2
Correct

大大

/ dàdà / 
Strokes

Definition

greatly/enormously/(dialect) dad/uncle

Example

Definition
[used before a noun, a verb or an adjective to indicate scale, magnitude or depth]
1
Dàjiāng
大江
dàhú
大湖

great rivers and lakes

2
Dàhóngdàlǜ
大红大绿

gaudy (and showy); loud colours