To mean business

Related to To mean business: nothing doing
References in classic literature ?
I glanced from this Goliath to his little, bird-eyed spouse, and wondered if he had ever tried to mean business with her.
When Chris Gayle and Shivnarine Chanderpaul spent the first half an hour dispatching the ball beyond the ropes, the holders appeared to mean business. But Australia seized the initiative through Nathan Bracken's triple strike and a target of 139, reduced to 116 from 35 overs after rain, caused few alarms.
In his welcoming remark, the general manager of Botswana Railways, Mr A Ramje, announced that the railways had adopted the motto "Excellence in Service through Productivity", and he stated that given the enabling environment to grow and develop in Botswana "the business of Botswana Railways will be to mean business".