passer l'éponge signifie anglais

let bygones be bygones▼◼◼◼(to disregard or ignore a past difficulty in a relationship or an offence)
verb
[UK: let ˈbaɪ.ɡɒnz bi ˈbaɪ.ɡɒnz] [US: ˈlet ˈbaɪ.ˌɡɒnz bi ˈbaɪ.ˌɡɒnz]

wipe the slate clean▼◼◼◼(to make a fresh start, forgetting differences)
verb
[UK: waɪp ðə sleɪt kliːn] [US: ˈwaɪp ðə sˈleɪt ˈkliːn]