let off
US /lɛt ɔf/
UK /lɛt ɔf/

1.
lasciar andare, perdonare
to not punish someone who has committed a crime or done something wrong, or to punish them less severely than you could
:
•
The judge decided to let him off with a warning.
Il giudice ha deciso di lasciarlo andare con un avvertimento.
•
She was caught shoplifting, but the store manager let her off.
È stata colta in flagrante a rubare, ma il direttore del negozio l'ha lasciata andare.
2.