notch on (someone's) belt

Translations
достижение в чьей-то карьере
Winning the award was another notch on her belt.
Получение награды было ещё одним достижением в её карьере.
Definitions
A notch on someone's belt refers to an achievement or accomplishment that adds to a person's experience or credibility, often implying that it is a significant milestone in their career or personal life.
Words
belt

noun
ремень
notch

noun
зарубка