Food Idioms
Colour Idioms
Animal Idioms
Weather Idioms
Body Idioms
100

A piece of cake

A task or activity that is easy to complete

100
Get the green light
To get permission to do something
100

Eat like a horse / pig out

Eat a lot

100
Raining cats and dogs
Raining very heavily
100

break a leg

good luck

200
A couch potato
A lazy person who watches too much television
200
Once in a blue moon
Very rarely
200

Kill two birds with one stone

To solve two problems with one action

200

Feeling under the weather

sick

200

cost an arm and a leg

very expensive

300

Two peas in a pod

very similar

300

White lie

ex: We told Grandma that her cake was delicious, which was actually a white lie.

an innocent lie to protect another person's feelings

300

Fishy

ex: I knew something fishy was going on when I saw all of my friends' cars in my mom's driveway.

odd, suspicious

300

On cloud nine

ex: He's got a new car for his birthday. He's on cloud nine.

very happy

300

all ears

fully listening

400

Bring home the bacon

ex: He worked hard every day so he could bring home the bacon and live a good life.

earn money

400

catch red handed 

ex: The kids were caught red handed stealing chocolate bars.

catch someone in the act of doing something wrong or illegal

400

cat's got one's tongue

said about someone who doesn't speak (usually due to shyness) / silent / quiet

400

Every cloud has a silver lining

ex: I'm not going on holiday this year, but every cloud has a silver lining, as I'm able to spend more time with my family at home.

every difficult or unpleasant situation has some advantage

400

cold feet

nervous

500

Have a bigger fish to fry

Have more important things to do

500

born with a silver spoon in one's mouth 

ex: Rafathar is a lucky boy. He was born with a silver spoon in his mouth.

born into a rich family

500
Let the cat out of the bag
A secret that was supposed to be kept quiet that was told
500

Head in the clouds

ex: Mike thinks he is going to pass his exams without studying. He has his head in the clouds!

Have unrealistic / impractical ideas / daydreaming

500

pull one's leg

ex:  I was just pulling your leg. I'm not really a police officer.

joke or tease someone