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