To rain very heavily.
What is "To rain cats and dogs".
To wish someone good luck.
Break a leg.
Something that is very easy to do.
A piece of cake.
Give someone permission to do something.
To give a green light.
To do something just to pass time.
What is "To kill time."
To create a new set of problems
To open a can of worms.
To stop talking and be quiet.
Zip your lips
Of bad quality or in bad taste.
Cheesy
An innocent lie used to protect someone's feelings.
A white lie
When time passes really quickly.
What is "Time flies."
To be extremely busy
Busy as a bee
To listen carefully.
To be all ears
To go crazy or mad.
Go bananas.
Very jealous.
Green with envy.
When something takes place repeatedly, every once in a while.
What is "Time after time."
To get two things done at once.
What is "To kill two birds with one stone."
Someone or something that is very annoying.
A pain in the neck.
Someone who is very calm.
Cool as a cucumber.
Very unexpectedly.
Out of the blue.
To not waste time because it is a valuable resource.
What is "Time is money."
To reveal a secret.
"To let the cat out of the bag."
Extremely quickly.
In the blink of an eye.
Someone I love, adore and admire.
The apple of my eye.
To get caught doing something wrong, illegal, or unlawful.
Caught red handed.
A situation where something must be done quickly before it is too late.
What is "Around the clock."