a mystery to

a mystery to you

something that you do not understand Why I'm telling you all this is a mystery to me.

Name	Pronounced	Usage
Lyubomir	-	Bulgarian, Medieval Slavic
Adalberto	ah-dahl-BER-to (Italian, Spanish), ə-dəl-BER-too (Portuguese)	Italian, Spanish, Portuguese
Maritza	-	Spanish (Latin American)
Lawrence	['lɔrəns]
Melville	MEL-vil	English
NadeŽDa	-	Slovak, Serbian, Latvian