be (all) out to (do something)

To be working toward some goal or outcome. Ben is all out to get a scholarship—that's why he's been involved in so many extracurriculars this year. We've been saving as much money as we possibly can because we're out to buy a house this year. I trained hard over the summer because I'm out to make the varsity team 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!