A drop in the ocean means a very small amount in comparison to the amount that is needed. For example:
He received his wages for the day's work, but it was a drop in the ocean compared to what he needed to buy a new car.
He told me I had won, but I thought he was pulling my leg.
Let's meet at a restaurant and get a bite to eat.
"I'm so nervous about tonight i have 'Butterflies in my stomach'."
My sister always "cracks me up" with her jokes.
John loved to dance and would do so at the drop of a hat.
The victim was badly injured, so a sentence of community service is no more than a slap on the wrist.
when i went back to my apartmemt their was a big cry wolf in room 208.
You're going to be broke soon if you don't get job and stop spending money.
As my mom would say......... Early Bird gets the worm!
He didn't want to go to the cinema, but she twisted his arm.ie. she persuaded him to do otherwise, she convinced him.
The fighter knew how to take a punch. He had survived many challenges in life and had learned how to take a punch.
"Hit the books" is a sentence.