under the cloak of (something)

Translations
под покровом (чего-то)
They operated under the cloak of secrecy.
Они действовали под покровом секретности.
Definitions
This phrase refers to doing something secretly or discreetly, often with the intention of hiding one's true motives or actions, as if being concealed by a cloak.
Words
under

preposition
под
the

article or possessive pronoun
определённый артикль
cloak

noun
покров
of

preposition
из
something

pronoun
что-либо