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