Englishfor English speakers
concerned
Adjective
—
If you are concerned, you feel that something bad will happen.
Her friends became concerned and called the police.
air
Noun
—
Air is a mixture of gases. It has no color or odor (smell)
We breathe air to live.
—
You put on airs when you act arrogantly.
The woman put on the airs in front of her friends.
air
Verb
—
If you air something, you broadcast it, either over the radio, or on television.
Hurry! You'll miss the story about homeless children that is about to air on the local news!