Idioms are a piece of cake, once you learn them.
The car was really cheap. What a steal!
I can't go into work today, I'm feeling under the weather.
She always wakes up at 6am, she's such an early bird.
Don't forget your umbrella, it's raining cats and dogs out there!
To be raining very hard
She spilled the beans about her affair with John.
To reveal a secret
We had to break the bank to pay for that vacation.
To spend too much money
She just totally blew me away with her singing.
To be extremely impressed
When he moved from the countryside to the big city, he felt like a fish out of water.
On my first day at work, I was excited to hit the ground running.
To start something with a lot of enthusiasm
You left us in a real pickle when you left the concert without telling us.
To be in a difficult situation
That designer bag cost me an arm and a leg!
To be very expensive
Once the dust had settled after the fight, we were friends again.
My brother's black eye was the elephant in the room, when he didn't tell us anything about how it happened.
An obvious problem that's being ignored.
As a child time seemed to pass in a blink of an eye.
To go by/happen quickly
I'm disappointed I didn't get the job, but that's just the way the cookie crumbles.
That's the way life is
You bet your bottom dollar, I passed that exam!
To be sure of something; to be certain
He did not expect his book to do so well, the award nomination came out of the blue for him.
To be unexpected
She let the cat out of the bag when she told us about the surprise party.
To reveal a secret
I don't know how we will pay the bills if you quit your job, but we will cross that bridge when we get there.
To deal with a problem when it arrives.
This investment is a bit risky, but it could be a real cash cow.
A good source of income
The new fashion style has taken the whole world by storm.
to quickly become popular
She decided to take the bull by the horns and solve the problem herself.
To take on a problem directly.
I tried to write my paper all night, but I felt like I was just spinning my wheels.
To put in effort without any progress