plunge into
US /plʌndʒ ˈɪntuː/
UK /plʌndʒ ˈɪntuː/

1.
뛰어들다, 몰두하다
to suddenly start doing something or become involved in something, often without careful thought
:
•
He decided to plunge into the new business venture without hesitation.
그는 망설임 없이 새로운 사업에 뛰어들기로 결정했다.
•
After graduation, she will plunge into a demanding career.
졸업 후 그녀는 힘든 직업에 뛰어들 것이다.