He is trying to understand the concept of Trinity in Christianity.

At the school sports festival, we did a three-legged race.

The goods in this store are being sold for dirt cheap.

The Fudo Myoo, also known as Acala, is known as a guardian deity in Buddhism.

In Christianity, God is considered as the Trinity of the Father, the Son, and the Holy Spirit.

The era of the Three Sovereigns and Five Emperors is an important period in Chinese history.

He defeated the enemy using the Thirty-Six Stratagems.

The Fertile Crescent is known as the birthplace of ancient agricultural civilizations.

The thirty-first day is my birthday.

We have our wedding on the twenty-third day of the month.