have big shoes to fill
US /hæv bɪɡ ʃuːz tu fɪl/
UK /hæv bɪɡ ʃuːz tu fɪl/

1.
tener grandes zapatos que llenar, tener un gran reto
to have a difficult job to do because the person who did it before you was very good or successful
:
•
The new CEO will have big shoes to fill after the legendary founder retired.
El nuevo CEO tendrá grandes zapatos que llenar después de que el legendario fundador se retirara.
•
She's a brilliant teacher, and whoever replaces her will certainly have big shoes to fill.
Es una profesora brillante, y quien la reemplace sin duda tendrá grandes zapatos que llenar.