We use this expression to tell someone that we are happy to take responsibility for doing something.
You can use this phrase in ………… language.
Spoken
Written
Informal
Example 1
A: How can we get hold of a projector before the meeting tomorrow?
B: Leave it to me. I know people in IT department.
Example 2
A: Someone should tell Jana not to come in today as the presentation’s cancelled.
B: Leave it to me. I was going to skype her anyway.