My pet is a Siamese cat, and it's very smart.

This room is as tiny as a cat's forehead.

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

He gave a gift as useless as gold coins to a cat.

The experiment of Schrödinger's cat demonstrates the paradox of quantum mechanics.

Since my grandmother's health has been deteriorating, I decided to take care of her.

Yumi is my best friend.

His room is shabby.

He has changed so much that he is a mere shadow of his former self.

Laymen's opinions on that issue often greatly differ from the experts' opinions.