get down to business 

to begin seriously doing what you need to do;
to begin to get serious; to begin to negotiate or conduct business;
to start talking about the subject to be discussed;
to apply oneself to serious matters; concentrate on work...

There was a real determination to get down to business.

The directors finally got down to business and decided to sign the contract.

get down to business by Kacler February 12, 2014

Get down to business 

One usually gets down to business to defeat the Huns

One example of how to get down to business is the song from Mulan

Get down to business by Kkj September 7, 2018

let’s get down to business 

To have sexual intercourse with at least one party consenting.

“Let’s get down to business” -Jared
“No” -Claire
“I’ve heard from sources that it makes you feel better” -Jared

let’s get down to business by Sources December 3, 2018