Now, as then, it is difficult to tell what side anyone is on because the leaders all wear masks to conceal their feelings.

No mask could have concealed her from me.

A white surgical mask concealed her lips, nose, and chin from view.

Neither the mask nor the squeak concealed him from me.

At a masquerade ball, guests wear masks to conceal their identities.

The masks both conceal the identity of individuals and demonstrate their commitment to a shared cause.

She warned me the mask might conceal anything: a deformity, advancing age, the face of a known bandit.

A red mask painted on the front of a black barbut-helm concealed Chup's face.

Baggy clothing and a mask didn't conceal the fact the terrorist was female.

In fact, the Visitors wear masks concealing their true shapes.