The word "mysteries" is correct and usable in written English.
You can use it to refer to something that is mysterious or difficult to explain. For example, "The mysteries of the universe still fascinate scientists."
Plenty of people prefer faith in their own languages, but just as many others seem to prefer their religious life kept at one remove from the daily humdrum, sacred mysteries all the more mysterious for being in a foreign tongue.
After all, protection of this great forest – and its continuing mysteries – will depend on the decisions of the Congolese.
The Secrets of Vesuvius (The Roman Mysteries) by Caroline Lawrence Young history buffs will realise they're in for an exciting explosion when Flavia and her Roman Mysteries crew visit her uncle in Pompeii... in AD79.
Paperback mysteries still sell, but in the last five years they have been overtaken by a new wave of well-produced Arabic YA.
The Felsteads' search for answers to the many mysteries surrounding Carole's decline is now in its sixth year.
One day, she discovers a diary, Scarlet's, which tells her, bit by bit, the mysteries Ivy desperately wants to solve.
So how many dramatic cul-de-sacs and interlocked mysteries that increasingly characterise exciting and innovative new shows can the viewer cope with before they became an exercise in frustration?
There are many mysteries and flights of fancy in the novel, but few answers.
Leonardo was obsessed with problems like how to create translucent effects in painting, how to capture the mysteries of light – the very problems posed by painting a glass sphere.
With a new introduction by the author, David Quammen's hair-raising report tracks the virus from chimp populations in the jungles of southeastern Cameroon to laboratories across the globe, as he unravels the mysteries of when, where, and under what circumstances such a consequential spillover can happen.
As a scientist I have a rational conviction that the world is comprehensible, that mysteries are only mysteries because we have yet to figure out the answers.
