Not because they are bad people, but because they do certain things that may demotivate us, hurt our feelings or rub our ego the wrong way.
She rubbed the key on a stone, but she could not rub the mark away.
Ay,theer's the rub.
' He began to rub the lamp.
' He began to rub his ring.
He began to rub it ?
' She began to rub it and ?
