His actions are against public order and upstanding morals.

He has full mastery of the art of cooking.

I greeted the neighbor.

The police have started an investigation to identify the unidentified decedent.

Mr. Ro is eating okonomiyaki.

A binary operator is one of the basic concepts in algebra.

He is working in a warehouse.

He was begging on the side of the road.

Sae acted coldly.

He has morally degenerated.