get (one's) head around (something)

To understand something that is challenging or confusing. It took a while, but I've finally gotten my head around this chapter in my calculus textbook. Wait, you two are dating now? It's going to take a little while for me to get my head around that!

Common Names:

Name	Pronounced	Usage
NadİR	-	Turkish
Donka	-	Bulgarian
Ayo	-	Western African, Yoruba
Gwandoya	-	Eastern African, Ganda
Hanne (2)	HAH-nə (German), HAHN-ne (Swedish, Norwegian), HAN-ne (Danish)	German, Swedish, Norwegian, Danish
Gaylord	['geiləd]