Idioms
a piece of cake
very easy or simple
when pigs fly
something that will never happen
let the cat out of the bag
accidentally reveal a secret
under the weather
not feeling well or feeling ill/sick
get a taste of your own medicine
being treated the same unpleasant way you have treated other
speak of the devil
the person you’re just talking about actually appears at that moment
cost an arm and a leg
something is very expensive
kill two birds with one stone
solve two problems at once
You can’t judge a book by its cover
not judge someone or something based solely on appearance
hit the nail on the head
describe exactly what is causing a situation or problem
in hot water
being in trouble
couch potato
lazy
call it a day
time to stop, quit or leave
steal someone's thunder
taking credit for someone else achievements
out of the blue
randomly, without warning, surprisingly
see eye to eye
agreeing with someone
once in a blue moon
an event that happens infrequently
break a leg
good luck
up to your neck in something
involved or busy with something
an obnoxious or annoying person, thing, condition, practice, etc...
down in the dumps
feeling unhappy
have an eye for
to have a natural ability for seeing or noticing something
add insult to injury
make a situation worse
take the red eye
a late night flight that arrives early in the morning
cut corners
do something badly or cheaply