to describe exactly what is causing a situation or problem.
hit the nail on the head.
Very rarely.
once in a blue moon
to feel very nervous, usually about something you are going to do.
Get/have butterflies in sb’s stomach
used for wishing someone good luck, especially before a performance.
BREAK A LEG!
To entertain people very successfully, so they laugh or clap for a long time.
bring the house down / bring down the house.
criticisms of or warnings to a particular person that have no effect on that person.
(like) water off a duck's back
(especially of a place) very cleanand tidy.
SPICK AND SPAN
If something/someone .............., it/he/she fails to achieve either of two aims
TO FALL BETWEEN TWO STOOLS
theperson who someone loves most and is very proud of.
TO BE THE APPLE OF SB'S EYE
Sth you are good at or enjoy doing.
sb's cup of tea
to become extremely angry.
hit the roof / ceiling = go through the roof
totell everyone proudly about your achievements.
TO BLOW YOUR OWN TRUMPER / HORN
to try to do something that is too difficult for you.
TO BITE OFF MORE THAN YOU CAN CHEW
said when you think that there is no chance at all of something happening.
pigs can fly / when pigs fly (UK pigs might fly)
tomake someone extremely angry.
TO MAKE SB'S BLOOD BOIL
to allow a secret to be known, usually without intending to.
let the cat out of the bag.
completely different from each other.
To be (like) chalk and cheese.
to pay too much money for something.
pay through the nose.
the situation when someone finds it
difficult to choose between two alternatives.
TO BE CAUGHT BETWEEN TWO STOOLS
to be an excellent person or thing.
TO BE THE BEST THING SINCE SLICED BREAD
Sth is given to you free by a business.
on the house
slightly
ill.
(be / feel / look) under the weather
to study.
hit the books
something that you say when it is raining heavily.
it's raining cats and dogs!
to have just enough money to be able to eat and live.
TO LEEP THE WOLF FROM THE DOOR
to try to persuade someone to believe something that is not true, as a joke.
pull sb's leg.
to allow very little time for something.
cut it / things fine.
do sthimmediately without stopping to think about it.
AT THE DROP OF A HAT