be shrouded in secrecy/mystery

shroud | American Dictionary

shroud
noun[ C ]
us/ʃrɑʊd/
a cloth used to wrap a dead body before it is buried
A shroud is also anything that covers:
He cleared the leafy shroud covering the sign.
shroud
verb[ T ]
us/ʃrɑʊd/
to cover or hide something:
The mountains were shrouded in fog.
The fate of the explorer is shrouded in mystery.

Examples of shroud

shroud
Rather, the large attendance and emotional ' success ' of such funerals shrouds the death's shameful character.
The origins of its are not shrouded in much mystery.
The thing lies shrouded, invisible, in thousand-fold hallucinations.
The vision he presents is one shrouded in gloom and fatalism.
They help us to contextualize in vivid detail a life shrouded in hearsay, myth, and outright propaganda.
Despite the promise of embryonic stem cell research using cloned embryos, challenging social, political, and legal questions have shrouded that issue with controversy.
The nature of the evolution of local schemes to develop advanced levels of practice is often complex and shrouded in historical and political conflict.
The policy process was shrouded in secrecy and this sometimes led to struggles between politicians and civil servants, the ultimate implementers of government programmes.
She sets out to illuminate the side of nature which is defined by being perpetually shrouded in darkness.
In the meantime, the precise contours of their relationship remains, like everything else in this poem, shrouded from view.
Although a clear definitional distinction can be made between shreading, shredding or shrouding and pollarding, we cannot be certain that the authors used the two terms consistently.
A not uncommon misconception about jazz is that players extemporise their music out of nothingness, that jazz improvisation is unbounded by recognisable rules, a sonic expatiation shrouded in mystery.
Cotton and agave fibers and at least two other tentatively identified fiber types are associated with the interments and represent clothing, burial shrouds, and personal accoutrements.
Although virulent clonal groups arise, diversify and decay throughout the years through genetic recombination, immune selection and mutation [15, 18, 24, 39, 40], the dynamics of meningococcal carriage remains shrouded.
The burning of the cooperative building is still shrouded in mystery, but some people believe that the building was torched by guerrillas who regarded cooperatives as symbols of colonial exploitation.
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