Idioms
Idioms 2
Idioms 3
Idioms 4
Idioms 5
100

raining very hard; storm

raining cats and dogs

100

to wait before you act

hold your horses

100

not frequently, rarely

once in a blue moon

100

not backing up words with actions

all bark and no bite

100

someone imitates (do the same) what you do 

copycat

200

to tell a secret

let the cat out of the bag

200

to play roughly

horse around

200

to ask for help where there is no problem

cry wolf

200

to start over with your plans

go back to the drawing board

200

being very active

alive and kicking

300

join in, help

pitch in

300

something easy to do or complete

a piece of cake

300

do things the wrong order

put the cart before the horse

300

not feeling very well; being sick

feeling a bit under the weather

300

to behave

get your act together

400

to eat something very fast

wolf it down

400

speechless

cat ate your tongue

400

hoping for good luck

cross your fingers

400

looking nice and fresh

as fresh as a daisy

400

have doubts

have second thoughts

500

avoiding the main topic

beat around the bush

500

all advantages

cut corners

500

to be in a bad or unlucky situation

up the creek without a paddle

500

when you feel nervous or too excited

butterflies in my stomach

500

being very lound

from the top of his/her lungs