That charming man is actually a devil in disguise.
devil in disguise
idiomA person or thing that appears to be good, honest, or upstanding, but is inherently nasty, evil, or damaging.
She seemed like the perfect business partner, but I soon realized she was a devil in disguise who wanted to steal my company.
The charismatic leader promised prosperity to the desperate citizens, yet history eventually revealed him to be a devil in disguise who sought only his own power.
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dance with the devil
To engage in risky and immoral behavior.
- 02
devil dancing
Risky, reckless or potentially immoral behavior.
- 03
devil lies in the details
Synonym of devil is in the details.
- 04
folk devil
A person or type of person blamed by the public for various ills, as during a moral panic.
- 05
give the devil his due
To acknowledge the positive qualities of a person who is unpleasant or disliked.
- 06
play the devil with
To cause great trouble or distress to.
- 07
speak of the devil
An expression sometimes used when a person mentioned in the current conversation happens to arrive on the scene.
- 08
speak of the devil and he appears
Synonym of speak of the devil.