Weather Idioms:
Raining cats and dogs
Raining very heavily
Heart of gold
very kind and generous
As busy as a bee
very busy
Animal Idioms:
Kill two birds with one stone
To solve two problems with one action
Time is money.
time is valuable, you should not waste it
light as a feather
not heavy
Color Idioms:
Once in a blue moon
Very rarely
My grandma is as sweet as sugar.
She is very nice.
brave as a lion
very courageous
Have bigger fish to fry
Have more important things to do
Her voice was music to my ears.
she has a pretty voice
blind as a bat
unable to see
Money Idioms:
Bring home the bacon
To earn money, to achieve success
My bedroom is a pig sty.
it is messy
as clear as crystal
completely clear or transparent