"to skate on thin ice"
to do something challenging
to not like something you have to do
to be in a risky situation
"a piece of cake"
very fun
very sweet
very easy
"to ring a bell"
to get attention
something that makes a lot of noise
something sounds familiar
"to cost an arm and a leg"
something cheap
something of low quality
something expensive
"to get cold feet"
suddenly change your emotion eg: happy to sad
suddenly change your mind about sth because you are nervous
to be anxious about something
"as clear as mud"
something brown
something obvious
something confusing
"to be on the ball"
to be on the top
to be alert
to be funny
"to put your feet up"
to be clumsy
to be tired
to relax
"break a leg!"
have fun!
well done!
good luck!
"once in a blue moon"
never
rarely
usually
"to give the green light"
to allow something
to prohibit something
to like something
"to be left out in the cold"
to be alone
to be excluded
to be freezing cold
"to pull someone's leg"
to make someone uncomfortable or anxious
to fool/ play a joke on someone
to make someone happy about something
"to be under the weather"
to be unhappy
to be strong
to be ill
"to beat around the bush"
to avoid talking about something
to take a long time do something
to show disagreement about something
"go back to the drawing board"
start again
draw a picture
ask for advice
