The Quaternary is the most recent era in Earth's history.

He drew a tetradecagon shape.

My room is twenty-four square meters.

He achieved a four concealed triples in mahjong.

These Four Heavenly Kings are his most trusted subordinates.

My father is forty-one years old.

It is thirty-four kilometers to my house.

I saw a Japanese tit in the park.

Shoju is my best friend.

Our project is scheduled to be completed on the fourteenth.