[throw] {oneself} into {sth}
1
to commit oneself fully to a particular task, project, or pursuit with enthusiasm, determination, and a willingness to take risks
- She threw herself into her new job with passion.
- After the breakup, he threw himself into his work.
- The athlete threw himself into training for the competition.
- He threw himself into learning a new language.
- She threw herself into charity work to make a difference.