dead set on

US /dɛd sɛt ɑn/
UK /dɛd sɛt ɑn/
"dead set on" picture
1.

empeñado en, decidido a

determined to do something, often despite difficulties or opposition

:
She's dead set on becoming a doctor, no matter how hard it is.
Está empeñada en ser médica, por muy difícil que sea.
They were dead set on winning the championship this year.
Estaban empeñados en ganar el campeonato este año.