Idioms 1
Idioms 2
Idioms 3
Idioms 4
Idioms 5
100
firing on all cylinders

What is to be working as powerfully and effectively as possible

100

That's a double whammy.

What is a situation that is bad in two different ways?

100

I've had a back seat driver with me for the whole trip.

What is someone who gives unwanted and unneeded advice, and sometimes also criticism? 

100

fly by the seat of your pants

What is you're acting on instinct, using your judgment and perceptions as events unfold to improvise without advance planning?

100

keep your eyes peeled

What is to watch very carefully for something?

200

ignorance is bliss

What is a person who does not know about a problem does not worry about it

200

What am I?  Chopped liver?

What is frustration or anger at being ignored on a social level?

200

fair weather friend

What is a friend who supports others only when it is easy and convenient to do so? 

200

up the creek without a paddle

What is in a difficult situation, with no way of getting out of it?

200

That game was a real nail biter.

What is very exciting because you don't know how it will end?

300

We all have cabin fever.

What is the feeling of being frustrated and bored because you have been inside for too long?

300

burned out

What is to stop working because you have become ill or very tired from working too hard?

300

It's time to clear the air.

What is to get rid of a tense situation by settling misunderstandings?

300

poker face

What is an expression on your face that shows none of your feelings?

300

a bitter pill to swallow

What is something that is very unpleasant but must be accepted?

400

no ifs and or buts

What is no excuses allowed?

400

You missed the point.

What is you don't understand what it really means?

400

to call someone's bluff

What is to challenge someone's statement or threat because it is not believed?

400

to blow off steam

What is to get rid of strong feelings by doing a vigorous activity (going for a run, being loud)?

400

feeling like a 5th wheel

What is someone or something that is not needed or wanted in a particular situation?

500

get up to speed

What is you have all the most recent information that you need about something?

500

as the crow flies

What is to take the most direct route somewhere (the shortest path between two points)?

500

back to square one

What is to indicate that you are going back to the beginning or starting over?

500

know the ropes

What is to be familiar with the details of an operation or job?

500

Don't count your chickens before they hatch.

What is don't just assume that something will or will not happen?