To successfully deal with or overcome a difficult situation or period of time. She managed to get through the tough exam period with a lot of hard work and determination.
To make contact with someone, especially by telephone. I tried calling him several times, but I couldn't get through.
To be approved or accepted, especially a proposal or piece of legislation. The new policy finally got through after months of debate.
To finish or complete something, especially a task or piece of work. I need to get through this report by the end of the day.