bent on doing
bent on (doing something)
Very determined to do something, perhaps aggravatingly so. She's bent on coming here for the weekend, so we better clean the guest room. I'm bent on getting an A on this exam, so I've been studying all week.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
bent on doing something
Fig. determined to do something. I believe you are bent on destroying the entire country. I am bent on saving the planet.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.