leave (somebody) to their own devices
idiomPart ofdevice
leave (somebody) to their own devices — idiom
1. To allow someone to do whatever they want without giving them instructions, help
1.idiom
Definition
To allow someone to do whatever they want without giving them instructions, help, or supervision.
Example
The teacher left the advanced students to their own devices while she helped the beginners.
When Stephanie's parents went out, they left her to her own devices for the evening.