spread (one's) wings like an eagle

Translations
расправить крылья как орёл
He decided to spread his wings like an eagle and start a new business.
Он решил расправить крылья как орёл и начать новый бизнес.
Definitions
To embrace freedom and independence, often by taking bold actions or pursuing new opportunities, similar to how an eagle soars high in the sky.
Words
eagle

noun
орёл
wing

noun
крыло
spread

verb
распространять