We often eat foods which are harmful to our health without knowing it.
Luckily, the treatment was only ineffective instead of harmful.
There's a chance that tap water may contain harmful substances like chlorine and lead.
Insecticides are agricultural chemicals that exterminate insects harmful to plants.
I've heard that people can eat cat food without any harmful effects.
Forests regulate the water cycle and take away harmful carbon dioxide.
The group put up posters to remind people that noise is harmful.
harmful to health
Let's remove harmful books from circulation. Starting first with the bibles that have spread all over the world.
TV is harmful in that it keeps your mind in a passive state.
You only have to make a few foreign friends to understand how harmful national stereotypes are.
I find those comments very exaggerated and very harmful.
Some groups of people are trying to stop it because they think it’s harmful and unfair.
Encyclopedia of things considered harmful.
Strontium 90: One of the radioisotopes of strontium; part of radioactive fallout, harmful to human health.
English word "вредный"(harmful) occurs in sets:lesson14 abstract adjectives part5
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.
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.
Mathematics is not detrimental to the appetite.