He is working as a clergyman in the church.

He was diagnosed with mental illness.

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

He is a pessimist, always looking at the bad side of the world.

This regular tetrahedron is composed of equilateral triangles on all sides.

He made a model of a regular tetrahedron.

We respect Japanese culture.

We are going on a trip tomorrow.

When I first met her, I introduced myself saying, 'I am Japanese.'

We prioritize customer satisfaction above all else.