The cat's out of the bag.
A lot of money has been spent.
The prisoner has escaped.
The secret has been revealed.
Has the cat got your tongue?
Why are you arguing?
Why aren't you saying anything?
Why are you singing?
Curiosity killed the cat.
Being too inquisitive can get you into trouble.
Cats are very inquisitive animals.
Cats can die if they ask questions.
It's raining cats and dogs!
It's sleeting.
It's drizzling.
It's pouring.
When the cat's away, the mice will play.
When the boss is away, people work harder.
When the boss is away, people organise a BBQ party
When the boss is away, people often misbehave.
They fight like a cat and dog.
They always fight.
They never fight.
They always argue.
It's like herding cats.
It's a very easy task
It's a very mundane task.
It's a very difficult task.
A fat cat.
A rich person.
A plump person.
A clumsy person
It's the cat's pyjamas!
That's irrelevant!
That's awful!
That's cool!
A cat nap.
Having a hangover.
Having a siesta.
Going to sleep.
Who's she, the cat's mother?
She is an important person.
She is believed to be an important person.
She thinks she is an important person
There's more than one way to skin a cat.
There is more than one way to catch a liar.
There is more than one way to cook an animal.
There is more than one way to do the same task.
There is not enough room to swing the cat.
It is a tightly confined space.
There is no room to play a game
There are too many people
Looks like something the cat dragged in.
Something dead.
Something shiny.
Something messy.
A cat in gloves catches no mice.
Wearing gloves will make you look suspicious
Worrying about your image can prevent you from success
Being too polite can prevent you from accomplishing
He's looking like the cat that swallowed the canary.
He is looking very smug and pleased with himself.
He is looking very nauseous and sick.
He looks sleepy after eating.