apply (oneself)(redirected from apply oneself)
To try hard or concentrate one's abilities (toward something). Without the preposition "to," it refers to a concentrated effort in general. I know you think you won't be able to understand this level of math, but you just need to apply yourself, and you'll find success. If we apply ourselves to the problem, we'll find a solution eventually. Honey, you're so smart. You would get much better grades if you would just apply yourself.
See also: apply
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
apply (to someone or something) (for something)
to ask for something from someone or an organization. You must apply to the proper office for permission. I applied to seven colleges for admission.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.