leave somebody to their own devices
leave (one) to (one's) own devices
To let one rely on oneself, without any help or other interference. I'm going to leave you to your own devices and see what you come up with without my input. It's amazing how some kids can really thrive when you leave them to their own devices, while others will be completely helpless.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
leave somebody to their own deˈvicesleave somebody to do something without your help, or to spend their time as they like: I’ve explained everything to him. Now I’m leaving him to his own devices, and we’ll see how he manages. ♢ The children were usually left to their own devices in the summer holidays.
Farlex Partner Idioms Dictionary © Farlex 2017