This surprise is disappointing should be accepted
kejutan ini mengecewakan.
"Ini X Y" = "This is X Y"
"X ini Y" = "This X is Y".
If a surprise is something unexpected, and disappointment is when something doesn’t live up to your expectations, how can a surprise be disappointing?
How would one say, "This surprise is a disappointment "?
kejutan ini kekecewaan.