A wolf in sheep's clothing
Translation of "a wolf in sheep's clothing" into Russian
a wolf in sheep's clothing
волк в овечьей шкуре
He seemed nice at first, but he turned out to be a wolf in sheep's clothing.
Сначала он казался милым, но оказался волком в овечьей шкуре.
Definitions
A person or thing that appears harmless or friendly but is actually dangerous or deceitful.