LEVEL 1
LEVEL 2
LEVEL 3
LEVEL 4
LEVEL 5
100

Break the ice

to start a conversation or to make someone comfortable

100

let the cat out of the bag

to reveal a secret

100

beating around the bush

avoiding the main topic

100

but your best foot forward

to try your best

100

hit the nail on the head

to explain what is causing the problem

200

Breaks a leg

a way to wish someone luck

200

barking up the wrong tree

accusing the wrong person

200

kill two birds with one stone

solve two problems with one action

200

just in the nick of time 

at the last possible moment

200

don´t count your chicken before they hatch

don´t make plans based on something that hasn´t happened yet

300

call it a day

to stop working on somethinf

300

the ball is in your court

it is up to you to make the next decision or step

300

back to the drawing board 

starting over because previous attempt failed

300

best of both worlds

situation where one can enjoy two different opportunities

300

straight from the horse's mouth

information directly from the highest authority

400

under the weather

feeling sick

400

cut corners

doing something poorly to save time or money

400

bite off more than you can chew

to take on a task that is too big

400

out on a limb 

to be in a risky situation

400

hold the fort

to take care of something temporarily

500

costs an arm and a leg

something is very expensive

500

being in hot water

being in trouble

500

bite the bullet

to endure a painful or unpleasant situation that is unavoidable

500

to add insult to injury

make a bad situation worse 

500

cry wolf 

to raise a false alarm