geen oude koeien uit de sloot halen meaning in English

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]