a 'masked' ball [=a formal party for dancing at which people wear masks]
She 'masked' [='hid'] her anger with a smile.
The bank was held up by 'masked' robbers.
(..) What can i do with him? Oh, God! Fine. At least tell me farewell. Enemy reinforcements in sectors and . We can see masked units getting ready for an attack. Moving field troops. Bologa! Bologa! Say something! Anything! (..)1965 Forest of the Hanged