dangle off (someone's) coattails

Translations
следовать за (кем-то) по пятам
He managed to succeed in the business by dangling off his partner's coattails.
Он сумел добиться успеха в бизнесе, следуя по пятам за своим партнером.
Definitions
To rely on or benefit from someone else's success, influence, or achievements rather than one's own efforts; often implies following or attaching oneself to a more successful person in hopes of gaining advantages.
Words
dangle

verb
болтаться
off

preposition
на
someone

pronoun
чьих-то
is

functional word
есть
coattails

noun
фалдах