fill someone’s shoes
US /fɪl ˈsʌm.wʌnz ʃuːz/
UK /fɪl ˈsʌm.wʌnz ʃuːz/

1.
sostituire qualcuno, prendere il posto di qualcuno
to take someone's place and do their job or duties as well as they did, especially when that person was very good at their job
:
•
It will be hard to fill his shoes after he retires; he was an exceptional leader.
Sarà difficile sostituirlo dopo il suo ritiro; era un leader eccezionale.
•
No one can truly fill her shoes as the head of the department.
Nessuno può veramente sostituirla come capo dipartimento.