figlarny złośliwy Englisch:

a mischievous grin/smile/look

That boy isn't as mischievous as we thought he would be.

He likes to be mischievous.

Keep an eye on the boys. They're mischievous.

mischievous child

He looked at me with a mischievous twinkle in his eyes

It is true the boy is mischievous, but he is kind at heart.

I’m twenty-seven.” The women got up and left, and Dykstra smiled, mischievous.

She looked young, and mischievous, without a care in the world

The Joker character in "Batman" is known for being mischievous and cunning, and always has a thing or two up his sleeve.

The beginning of the words of his mouth is foolishness; and the end of his talk is mischievous madness.

I think these rumours are mischievous.

He was a mischievous child, always getting into trouble.

He is so mischievous, he takes pleasure in playing nasty tricks on people.

He was as mischievous as any boy in the class.