do–or–die 
/ˈdu:wɚˈdaɪ/ adjective
/ˈdu:wɚˈdaɪ/ adjective 1 always used before a noun : very determined
▪ Her do-or-die attitude is inspiring. 2 — used to describe a situation in which you have to do something or you will fail, lose, etc. ▪ With only 10 seconds left, this is a do-or-die situation for the team. If they don't score, the game is over. ▪ It is do-or-die for the team.
▪ Her do-or-die attitude is inspiring.
