if the shoe fits (wear it)
US /ɪf ðə ʃuː fɪts (wɛr ɪt)/
UK /ɪf ðə ʃuː fɪts (wɛr ɪt)/

1.
se la scarpa calza, se è vero
used to say that if a description or criticism applies to someone, they should accept it
:
•
I called him lazy, and if the shoe fits, wear it.
L'ho chiamato pigro, e se la scarpa calza, indossala.
•
Someone said the team was disorganized. Well, if the shoe fits...
Qualcuno ha detto che la squadra era disorganizzata. Beh, se la scarpa calza...