"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 easy
very sweet
very fun
"to ring a bell"
something that makes a lot of noise
something sounds familiar
to get attention
"to cost an arm and a leg"
something of low quality
something cheap
something expensive
"to get cold feet"
to be anxious about something
suddenly change your emotion eg: happy to sad
suddenly change your mind about sth because you are nervous
"as clear as mud"
something confusing
something obvious
something brown
"to be on the ball"
to be on the top
to be funny
to be alert
"to put your feet up"
to relax
to be clumsy
to be tired
"break a leg!"
well done!
have fun!
good luck!
"once in a blue moon"
rarely
never
usually
"to give the green light"
to prohibit something
to like something
to allow something
"to be left out in the cold"
to be freezing cold
to be alone
to be excluded
"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 ill
to be unhappy
to be strong
"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"
ask for advice
start again
draw a picture
