0 to succeed in an exam or competition: --
1 to finish something: --
We've got a lot to get through today.
I can get through a lot more work when I'm on my own.
2 to use up something: --
3 to finish something: --
He was getting through 40 cigarettes a day before he decided to quit.
I've got a stack of paperwork to get through before I can go out.
He got through his A levels.