leave someone to their own devices

US /liːv ˈsʌm.wʌn tuː ðer oʊn dɪˈvaɪsɪz/
UK /liːv ˈsʌm.wʌn tuː ðer oʊn dɪˈvaɪsɪz/
"leave someone to their own devices" picture
1.

lasciare qualcuno a se stesso, lasciare qualcuno fare a modo suo

to allow someone to do what they want, without telling them what to do or trying to control them

:
If you leave him to his own devices, he'll probably just play video games all day.
Se lo lasci fare a modo suo, probabilmente giocherà ai videogiochi tutto il giorno.
The children were left to their own devices while their parents were out.
I bambini sono stati lasciati a se stessi mentre i loro genitori erano fuori.