The Sphinx began to walk around him.

I will let you pass safely," the Sphinx said, "if you can answer my riddle."

Really smart, that Sphinx!

The Sphinx is the largest statue in Egypt.

Suddenly, the Sphinx raised its head.

The Sphinx had eaten hundreds of people on their way to the city of Thebes, because they could not answer the riddle the cunning Sphinx had asked them.

This terrible monster was the Sphinx.

The Sphinx howled with rage.

Everybody called Mary "the Sphinx", because she always spoke in riddles.

When he was about to pass, the Sphinx jumped in front of him.