get down to business
To start doing something at once, seriously, to really begin something.
Also, get down to it.
enespañol# ponerse a ello
|We still have nothing to show for. We should get down to business at once. We are supposed to deliver this project by Monday|
|Our meeting with the Japanese customers went quite well. After a brief introduction, we all got down to business.|
En inglés, hay más giros o idioms que significan también ir al grano o dejarse de rodeos.