Things you put in your mouth
Body parts
Definitions
Animals
100

Bite the bullet

To get an unfavorable situation or chore over with now because it will 

need to get finished eventually

100

Giving someone the cold shoulder

ignonring someone

100

to be very happy about something

over the moon

100

Going on a wild goose chase

Doing something that is pointless

200

Biting off more than you can chew

Not having the capacity to take on a new assignment or task that is just 

too taxing

200

Chip on your shoulder

to be upset by something

200

Believing someone’s story without proof even though it may seem 

unbelievable

benefit of the doubt
200

The elephant in the room

An issue, person, or problem that someone is trying to avoid

300

Getting a taste of your own medicine

Being treated the way that you have been treating others

300

Costs an arm and a leg

super expensive

300

words mean nothing unless there is action behind them

talk is cheap
300

Straight from the horse’s mouth

Reading or hearing something from the source

400

Piece of cake

super easy

400

By the skin of your teeth

Just barely making it

400

You have to work hard in order to see results

no pain no gain

400

Killing two birds with one stone

Accomplishing two different tasks in the same undertaking

500

The last straw

The last difficulty or annoyance that makes the entire situation 

unbearable

500

Hitting the nail on the head

getting or doing something exactly right

500

Making a choice between two unpleasant choices

between a rock and a hard place

500

Don’t count your chickens before they hatch

Not to count on something happening until after it’s already happened