to feel comfortable again after worrying about something.

Coastal residents breathed a sigh of relief when the hurricane was downgraded to a tropical storm.

Her children breathed a quiet sigh of relief when she made arrangements to get help.

• be left on the sidelines
• be level pegging
• believe a word of it
• believe it or not
• believe me
• be light-headed
• be light years away
• be light years away from
• be light years away from something
• be like a bear with a sore head
• be like a bull in a china shop
• be like a cat on a hot tin roof
• be like a child in a sweetshop
• be like a deer caught in the headlights
• be like a dog with two tails
• be like a fish out of water
• be like a kid in a candy store
• be like a rabbit caught in the headlights
• be like a red rag to a bull
• be like a spare prick at a wedding
• be like chalk and cheese
• be like Fort Knox
• be like looking for a needle in a haystack
• be like painting the Forth Bridge
• be like rearranging the deckchairs on the Titanic