be another of life's great mysteries

To be difficult to understand or decipher. This phrase is often humorously applied to unimportant things. The living cannot truly understand death—it's another of life's great mysteries. Why dogs and cats hate each other is another of life's great mysteries.

be another/one of life's great mysteries

(humorous)

to be something that it is impossible for you to understand Why people write their names on the walls of public toilets is one of life's great mysteries.

Common Names:

Name	Pronounced	Usage
Alexandra	al-əg-ZAN-drə (English), ah-lek-SAHN-drah (German, Romanian, Spanish, Italian), ah-lək-SAHN-drah (Dutch), ə-lə-SHAN-drə (Portuguese), ə-lə-SHAN-drə (Brazilian Portuguese)	English, German, Dutch, French, Swedish, Norwegian, Danish, Icelandic, Greek, Portuguese, Romanian,
Newsome	['nju:səm]
TomÀS	-	Catalan
Hall	[hɔ:l]
Fry	[frai]
Minoo	-	Persian