May I show you my proof of qualification?

He is an expert at chess.

A count noun, or 'kasu meishi', represents something that can be counted.

'Apple' is a count noun, and you can count it as one, two, etc.

Happiness is a mass noun, you can't count it.

I obtained the natural coat certificate for my dog.

He issued a statement about the problem.

This new game is the talk of everyone and their dog.

Pandas are very cute animals.

A mongoose is very fast and can catch poisonous snakes.