Be out to do something - Idioms by The Free Dictionary
be out to do something
be (all) out to (do something)
To be working toward some goal or outcome. Ben is all out to get into Harvard—that's why he's been involved in so many extracurriculars this year.
be (all) out to do something,
be (all) out for something want or plan to do or get something: I think he’s out to kill me. ♢ I’m not interested in a few thousand dollars. I’m out for a million!