What's the matter? Cat got your tongue?
You are speechless.
Oh my, how time flies!
Time goes very fast.
Oh the test was a piece of cake!
Very easy.
Oh I heard about your upcoming recital. Break a leg!
Good luck.
I'm trying to kill two birds with one stone.
Solve two problems with one way.
Oh gosh, it is raining cats and dogs!
It is raining heavily.
To rent the biggest villa in Bali will cost an arm and leg.
Very expensive
It's no use to cry over spilled milk.
To cry from something that has happened.
That's so funny! You're pulling my leg.
To joke with someone.
The early bird gets the worm.
Someone who comes first will get what they want first.
Don't put all of your eggs in one basket.
Don't risk everything in one chance.
Mary had a scholarship handed to her on a silver platter.
Given something to someone without making the efforts to achieve it.
Oh, do spill the beans/tea!
Tell us the gossip or news.
A: Are you okay?
B: Oh yes. I am fit as a fiddle.
Very healthy.
Curiosity kills the cat.
Being curious is not always a good thing.
We were going on a wild goose chase when we were trying to find the lost treasure.
To do something pointless.
Richie Rich was born with a silver spoon in his mouth.
Born in a rich family.
You can't have your cake and eat it too.
You can't always have everything going your way.
Fred seems to have his head in the clouds.
Not concentrating on something / daydreaming.
Don't beat a dead horse.
Let us move on from a settled subject.
Jack went home because he had a bigger fish to fry.
Having something more important to do.
Jack goes out with his friends once in a blue moon.
Extremely rarely done.
My mom is making a storm in a teacup.
To make such a big fuss over a small thing.
Vanessa seemed to have jumped on the bandwagon.
Following a trend.
You can't make omelets without breaking the eggs.
There are costs in doing things.