intent on doing
intent on (doing something)
Determined to do something; set on doing something. I can't believe the invitations still aren't ready. It's like the printer is intent on ruining our wedding! She's intent on finishing her thesis this semester, but I just don't see how that's going to happen, with all the work she still needs to do.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
intent on doing something
determined to do something. The children were intent on making a snowman. The prisoner was intent on escaping.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.