Showing 41-42 of 42

To give the green light
To give the green light means you are giving permission for something to happen. It usually means a person in authority is approving something.This idiom draws from traffic lights.
Our manager gave the green light for our new marketing campaign.

Word of mouth
Word of mouth means information that spreads when people tell each other directly rather than through advertising or official announcements.The expression comes from the simple idea of spoken communication passing from one person's mouth to another person's ears.
The café grew popular through word of mouth.
