She used to be a prostitute, but now she has started a new life.

Will you marry me?

"Do you want to have a meal? Take a bath? Or choose me?" she said jokingly.

He was hiding the fact that he was an illegitimate child.

Hayaka is my best friend.

I learned how to calculate the hacoversine in trigonometry.

There are times when we perform calculations with the haversine in trigonometry.

Time flies like an arrow, a year passed in the blink of an eye.

He is trying to understand the universe from the perspective of panpsychism.

He has strong patriotic feelings.