こつを掴む (こつをつかむ) Japanese meaning | KotomoraMeanings
1
expression, godan verb (-mu)
get the hang of; learn the trick to
usually written using kana alone
Used when someone figures out the knack, secret, or effective way to do something after practice or observation.
の
こつ
を
掴
ん
だ
。
He quickly learned the trick to the job.