fade into the woodwork

To make oneself inconspicuous. Because I'm on probation, I'm just trying to fade into the woodwork for now. I recognized the famous actress at the mall, but I didn't say anything because she was clearly just trying to fade into the woodwork. My daughter's pretty shy around new people, so just let her fade into the woodwork at first. She'll come around eventually.

blend/fade into the ˈwoodwork

behave in a way that does not attract any attention; disappear or hide: I decided the best thing to do would be to try and fade into the woodwork and hope that no one noticed me.