It´s a piece of cake
Very easy to do
Very sweet
Like two peas in a pod
To do something together
Very similar in appearance or character
Hard nut to crack
To work really hard
Difficult to do or understand
come rain or come shine
will never happen
is going to happen no matter what
Eat like a horse
To eat very fast
To eat a lot of food
Walking on eggshells
Be very careful not to offend or upset someone
To walk very slow
Go bananas
To become very angry or excited
To be crazy
better late than never
doing something late is better than not doing it at all
get a taste of your own medicine
To be treated the way you’ve been treating others
To taste something that you don´t like
The big cheese
Very important/influential person
Someone who smells bad
two kill two birds with one stone
To complete two tasks at the same time
To do something by chance
to get a second wind
to have energy for a new effort
to breath deeply
When pigs fly
something that will never happen
something likely
Spill the beans
Make a mistake
Reveal secret information
Break a leg
To have an accident
Good luck
It´s raining cats and dogs
It´s raining a lot
It´s hailing
eat crow
To eat something that you don´t like
To admit a mistake
The best of both worlds
to be in two places at the same time
having two different advantages at same time