claw (one's) way up

Translations
пробираться наверх
He clawed his way up the corporate ladder despite many challenges.
Он пробирался наверх по карьерной лестнице, несмотря на множество трудностей.
Definitions
To achieve success or a higher position through persistent effort, determination, and often by overcoming significant obstacles or competition, sometimes implying aggressive or ruthless tactics.
Words
way

noun
путь
claw

verb
царапать