Animals
Black sheep
the one who is always in trouble
To be under the weather
to be ill/sick
Time flies
time feels like it’s going really fast
Break a leg
Good Luck
Piece of cake
very easy
Fat cat
someone who is rich and powerful
Raining cats and dogs
Raining heavily
Once in a blue moon
very rarely, almost never.
To costs an arm and a leg
very expensive
smart cookie
very intelligent person.
Night owl
someone who stays up late
on cloud nine
feeling very happy or delighted.
The eleventh hour
just in time, almost too late.
Pain in the neck
Someone is really annoying
in a nutshell
summarise something complicated.
hold your horses
tell someone to wait.
Right as rain
perfect health
buy time
delay something for your advantage
pulling my leg
you’re pretending to be serious but really joking.
go bananas
someone gets really angry.