He looked genial enough as he called for their attention, but it was push-button geniality.当他要引起他们的注意时，他看上去够和蔼可亲的，但这是一种召之即来挥之则去的和蔼可亲。It's unkind to take someone up and then put him down whenever you will, without considering his feelings.不考虑别人的感情，召之即来挥之即去，那不是善良的行为。