get down to (something)
idiomDefinition of get down to (something)
1
: to start to do (something) : to begin to give one's attention or effort to (something)
It's time to stop delaying and get down to work. Let's get down to business.
2
: to talk about or describe (something) in a very simple and accurate way
When you get right down to it, this movie is just not very good.