He is majoring in criminology at university.

He is known as an expert in criminal investigation.

When the fact became clear, he was surprised.

His secret was found out.

An antiparticle is a particle that has the opposite properties of matter.

This woodblock print is by a master craftsman from the Edo period.

My work has been very busy recently, and I hardly have time to rest.

He is always busy with work during the busy season.

Please cut this pizza in half.

The repulsive force of this magnet is very strong.