Crossword Clue:

A crucible is a hard one

AnswerCrossword Clue
TESTA crucible is a hard one
SAFEA good one is hard to crack
POTATOA hot one is hard to deal with
STAINA red wine one is hard to get out
SLOGOne is generally long and hard
BRAINEDBOUTBoxing match in which one is hit hard on the noggin?