on one's own

Prepositional phrase

idiomatic

(idiomatic) Alone; by oneself; without the companionship or assistance of others.

Japanese Meaning

一人で / 独りで / 他人の助けや付き添いなしに

From a young age, one should try to solve problems on one's own.

幼い頃から、問題は自分で解決するよう努めるべきだ。

Sense（1）

(idiomatic) Alone; by oneself; without the companionship or assistance of others.

A seven-year-old can get dressed on his own, but it might take a long time.