wonder about

Also found in: Idioms.
References in classic literature ?
She had toiled out of her way, tired and troubled, to look up at it, and wonder about the grave, brown gentleman from so far off, who had spoken to her as a friend and protector.
Over the past few years I continue to wonder about many things and, as time goes on, the things that I wonder about continue to mount.
I wonder about the drop crossings on the stretch of Manchester Road and why, as yet, there is no safe way to cross three lanes of traffic.