It is raining cats and dogs.
My favourite colloquialism is life is like a box of chocolates.
A leopard cannot change its stripes
A leopard cannot change its stripes.
They are a hard nut to crack.
Keep your friends close and your enemies closer.
Stupid is as stupid does.
A chain is only as strong as its weakest link.
Monkey see monkey do
If the show fits.
There is more than one way to skin a cat.
Tighter than bark on a tree.
"If all his brains were dynamite, he couldn't blow his nose"
He is dumb as a post
You cannot teach an old dog new tricks.
A bird in the hand is worth two in the bush.
A picture is worth a thousand words.
Don't get your knickers in a knot.