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

1.
membiarkan seseorang melakukan apa yang dia inginkan, membiarkan seseorang mengurus dirinya sendiri
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.
Jika Anda membiarkannya melakukan apa yang dia inginkan, dia mungkin hanya akan bermain video game sepanjang hari.
•
The children were left to their own devices while their parents were out.
Anak-anak dibiarkan melakukan apa yang mereka inginkan saat orang tua mereka pergi.