get through one's head

Understand, believe, or be convinced. For example, Bill cannot get it through his head that John is moving out.

Name	Pronounced	Usage
Phoibos	-	Greek Mythology, Ancient Greek
Izrail	-	Judeo-Christian Legend
Bertie
Wynnstan	-	Anglo-Saxon
Fritjof	FRIT-shof (Swedish), FRIT-yof (Swedish)	Swedish, Norwegian, Danish
Applewhite	['æplhwait]