If you get up very early, you're up with the lark. UP WITH THE LARK.
we had a whale of a time at the party last night. HAVE A WHALE OF TIME.
As soon as he saw the policeman, he ran off like a scalded cat. LIKE A SCALDED CAT.
They fight like cat and dog, but they are still together after 30 years. LIKE CAT AND DOG.
More and more people are using e-mail rather than traditional delivery services, snail-mail. SNAIL-MAIL
Caroline pretended to be sad but we all knew her tears were crocodile tears. CROCODILE TEARS
If someone break the back of the beast, they succeed in overcoming a major difficulty. BREAK THE BACK OF THE BEAST.
A person who has a bee in their bonnet, has an idea which constantly occupies their thoughs. A BEE IN THEIR BONNET.
Jully is constantly out and about; she is real a social butterfly. A SOCIAL BUTTERFLY
Don't mention Tom's promotion to Mike, it would be like a red flag to a bull LIKE A RED FLAG TO A BULL.
I do the donkey work, my boss gets the credit. DONKEY WORK.
I was so scared that I had goose pimples all through the film. HAVE GOOSE PIMPLES.
Let's get something to eat. I'm starving. I could eat a horse! I COULD EAT A HORSE.
I smell a rat, because Jessica is saying some wrong things about some intelligent people. SMELL A RAT.