She spoke in a tone of voice that she usually 'reserved' for her students. [=that she usually only used for her students]
I will 'reserve judgment' [=will not make a judgment/decision] until I know the full story.
We 'reserve' the right to make further changes to the agreement if necessary.
(..) There you go. GEORGE: Chas. Chas, hold up. -How you doin'? -I'm good. That's great. This can't go out. This is on reserve. Here's the thing. l need the book tonight for a Thanksgiving quiz with big-shit Preston in the morning. Yeah, l know. That's why he put it on reserve. This is our only copy. Chas, I'm pullin' an all-nighter. Without that book I'm dead, okay? lf it's not back by , it's gonna be my ass. Oh, l promise. l promise. (..)1992 Scent of a Woman