Not good enough? Tough luck (3,3)
I believe the answer is:
too bad
This clue could be a double definition.
'not good enough?' is the first definition.
Both the answer and definition are adjectives. Maybe they are linked in a way I don't understand?
'tough luck' is the second definition.
(I've seen this in another clue)
Can you help me to learn more?
(Other definitions for too bad that I've seen before include "I have no sympathy" , "Informally regrettable - excessively wicked" , "regrettably" , "What a pity, hard luck" , "Tough" .)