(as) sharp as a razor adjective phrase
Having a very thin edge or point that may cut or make a hole in something( extremely sharp).
From the way it slightly cut into the meat, I can tell that it is sharp as a razor.
Oh gosh! The edge of this new paper is sharp as a razor. I cut my finger on it.
To be able to understand, learn and think logically and quickly.
Though she is lazy, she is sharp as a razor. She can crack perplexing puzzles in the blink of an eye.
Those taking part in this contest are all as sharp as razors.
To use one's own intelligence
Used to describe a person who is smart, clever or intelligent
A young person who is very clever and successful.
Wise or intelligent poeple think alike or have the same ideas
The origin of this phrase is not clear.