leave to someone's own devices

Allow someone to do as he or she wishes. For example, Left to his own devices, he would hire someone to do the yard work. This expression, uses device in the sense of "a plan or scheme." [Late 1800s]

Common Names:

Name	Pronounced	Usage
Gheorghe	-	Romanian
Beelzebub	bee-EL-zi-bub (English), BEEL-zi-bub (English)	Biblical
Novak	-	Serbian
Marylou	mer-ee-LOO, mar-ee-LOO	English
Haraldur	-	Icelandic
Priti	-	Indian, Hindi, Marathi, Gujarati