Yes:
"Beauty is in the eye of the beholder."
"Hit the books" is a sentence.
"Eat, drink, and be merry" IS a sentence.
He told me I had won, but I thought he was pulling my leg.
It has been said that the key to aesthetics is the Golden Ratio, which is approximately 1.6180339887. However, as the famous saying goes "Beauty is in the eye of the beholder"
The more honest a person is, the more he bears the brunt. This is an idiom stating the ordinary man.
Leaders like her are a dime a dozen.
keep your chin up!
that night i gave mama a test and it was a peice of cake
We must put an end to piracy, once and for all.
The idiom "keep an eye out for" refers to watching for something or someone. An example of a sentence using the idiom would be: Jeff should be arriving soon, so keep an eye out for him.
She was in the semifinal round in the beauty contest
"Animal" is not an idiom. An animal is a living thing with more than one cell which cannot make its own energy.