not be able to judge a book by its cover
used to say that you cannot form an opinion based only on the way something or someone looks
poke sb nose
to try to discover things which do not involve you
drive up the wall
to make someone very angry or annoyed
be a pain
to be very annoying
cost an arm and a leg
to have a price that is much too high
take 's breath away
to be extremely beautiful or exciting
be over the moon
to be very happy
be a piece of cake
to be very easy
be out of this world
to be extremely good, enjoyable, etc.
break the ice
to make people feel more friendly and willing to talk to each other
be on cloud nine
to be very happy about something
be down in the dumps
to be very sad and without much interest in life
have a heart of gold
to have a very kind character
be a bit under the weather
to be slightly ill
get the wrong end of the stick
to understand a situation in completely the wrong way
get on 's nerves
if someone gets on your nerves, they annoy you, especially by doing something all the time
pay over the odds for
to pay a higher price for something than is usual or reasonable