Colors
Office
Historic
Common 1
Common 2
100

Gray area

 something that is unclear, undefined


100

Ahead of the curve

does a good job predicting trends, keeping up with current methods, and leading

100

A blast from the past

Something you remember from the past that you see, hear or experience again

100

Break the ice

to get the conversation going. Provide a conversation prompt

100

Get out of hand

When a situation gets out of control

200

Green with envy

to be very jealous, envious


200

Not going to fly

refers to something that won’t be effective, permissible, or well received

200

That ship has sailed

When an opportunity has been missed

200

Give the cold shoulder

Ignoring someone or making it clear that they aren’t welcome.

200

Your guess is as good as mine

I don't know either

300

Out of the blue

randomly, without warning, surprisingly


300

Hit the nail on the head

to do something with precision or say exactly the right thing

300

History in the making

something that is happening now is notable enough that people in the future will remember it.

300

A dime a dozen

Very common: quite ordinary

300

Buy it

To believe something

400

Green thumb

 to be skilled at gardening

400

On the back burner

pausing work on one project or task so you can focus on another, more urgent one

400

heard something through the grapevine

to hear news from someone who heard the news from someone else

400

Leave out in the cold

To be ignored or not considered

400

Spill the beans

To tell a secret

500

Caught red-handed

to catch someone in the act of doing something

500

Cut the mustard

it means to meet expectations or reach the required standard

500

An arm and a leg

A large expense or amount of money

500

Once in a blue moon

Very rare

500

Straight from the horse's mouth

To hear information directly from the person involved