"to get cold feet"
to suddenly change your mind about something due to nerves
to be anxious about something.
suddenly change your emotion eg: happy to sad
"to ring a bell"
to get attention
something that makes a lot of noise
something sounds familiar
"a piece of cake" to describe something
very fun
very easy
very sweet
"to take the plunge"
to commit to a decision (often one that makes you nervous
to fall down (from a very high place)
to make a choice (especially between two similar options
"once in a blue moon"
rarely
never
usually
"to beat around the bush"
to avoid talking about something
to take a long time do something
to show disagreement about something
"break a leg!"
good luck!
well done!
have fun!
"to skate on thin ice"
to be in a risky situation
to not like something you have to do
to do something challenging
"to be left out in the cold"
to be excluded
to be alone
to be freezing
"as clear as mud"
something brown
something confusing
something obvious
"to give the green light"
to like something
to allow something
to prohibit something
"to pull someone's leg"
to fool/joke someone
to make someone uncomfortable or anxious
to make someone happy about something
"to be on the ball"
to be on the top
to be alert
to be funny
"to cost an arm and a leg"
something of low quality
something expensive
something cheap
"to be under the weather"
to be strong
to be sad
to be ill
"to put your feet up"
to relax
to be clumsy
to be tired
"to bite the bullet"
to make yourself do something difficult or unpleasant
to do something that makes someone else uncomfortable
to do something that makes you nervous
"to speak of the devil"
the person who you were talking about unexpectedly arrives
to talk about a person you don't like
to have an uncomfortable conversation