run away to sea

idiom ( also go to sea )
( especially of a boy or young man ) to leave your family and become a sailor
( به خصوص پسر یا مرد جوان ) ترک خانواده و ملوان شدن
My grandfather ran away to sea when he was twelve.

منابع

• https://dictionary.cambridge.org/dictionary/english/run-away-to-sea