devil in disguise
A person or thing that appears to be good, honest, or upstanding, but is inherently nasty, evil, or damaging.
VERB + DISGUISE
adopt, put on, wear
The spy wore a disguise to avoid being recognized at the airport.
see through
The magician's fake beard was so poorly made that the audience saw through his disguise in seconds.
PREP
in ~
The witness arrived at court in disguise to protect her identity from the defendant.
ADV
cleverly, cunningly
The thief cunningly disguised himself with a fake beard and glasses to escape detection.
VERB + DISGUISE
cannot/could not | try to
PREP
from
She tried to hide her excitement from her friends, but couldn't disguise her big smile.
PHRASES
an attempt to disguise sth
She made no attempt to disguise her disappointment when she heard the bad news.
heavily disguised
The thief was heavily disguised with a fake beard and dark glasses so no one would recognize him.
barely/thinly disguised
His barely disguised anger made everyone uncomfortable during the meeting.