is beyond me

something is beyond me

also it's beyond me

this is impossible to understand How they thought they could come in and out without anyone noticing is beyond me.

Name	Pronounced	Usage
Crius	-	Greek Mythology (Latinized)
Akua	-	Western African, Akan
Bojan	BO-yahn (Serbian, Croatian, Macedonian)	Serbian, Croatian, Slovene, Macedonian
DÉSirÉ	de-zee-RE	French
Andoni	-	Basque
Bjartr	-	Ancient Scandinavian