godan verb (-su), transitive verb
relearn; brush up on; study again
Used when someone goes back to study something they learned before, often to refresh or deepen their knowledge. Can apply to academic subjects, skills, or personal interests.
社会人になってから英語を学び直す人が増えている。
More people are relearning English after entering the workforce.
基礎
I want to brush up on math from the basics.