make it one's business

Undertake a self-appointed task, as in I'll make it my business to find out their plans. This phrase was first recorded in 1642.

Name	Pronounced	Usage
Dubhthach	-	Ancient Irish
Harsh	-	Indian, Hindi, Marathi, Gujarati
Oliviero	o-lee-VYE-ro	Italian
Aina (3)	ah-ee-nah	Japanese
Diamanto	-	Greek
Marjeta	-	Slovene