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