A piece of cake
A task or activity that is easy to complete
Actions speak louder than words.
Doing sth it is harder and more meaningful than saying it.
Get the green light
To get permission to do something
Bookworm
Someone who reads a lot
Look like a million bucks
To look and feel fantastic
A couch potato
A lazy person who watches too much television
A picture is worth a thousand words.
Pictures convey emotions and messages better than written or spoken explanations.
Once in a blue moon
Very rarely
Don’t count your chickens before they hatch
You should not make plans that depend on something good happening before you know that it has actually happened.
Bring home the bacon
To earn money, to achieve success
That is the way the cookie crumbles
That is just how it is
People who live in glass houses should not throw stones.
Don't criticize other people if you're not perfect yourself.
To pass with flying colours
To pass something with a high score
Eat like a horse
Eat a lot
Money does not grow on trees
It is not easy to get money, implies that the person you are addressing spends money too easily
Have bigger fish to fry
Have more important things to do
When the going gets tough, the tough get going.
Strong people don't give up when they come across challenges, they just work harder.
The grass is greener on the other side
Other people always seem to be in a better situation than you, although they may not be
Kill two birds with one stone
To solve two problems with one action
Rome wasn't built in a day
It takes a long time to do something worth doing
Two peas in a pod
Nearly identical, very similar
Hope for the best but prepare for the worst.
Bad things might happen so be prepared.
A golden opportunity
A very good chance to achieve something
Let the cat out of the bag
A secret that was supposed to be kept quiet that was told.
Put your money where your mouth is
To do something rather than just talk about it