My grandfather used to till his privately-owned rice field.

He holds a personal grudge against me.

Using the private railway makes commuting very convenient.

The hyena is a nocturnal animal, mainly carnivorous.

My Akita dog is very smart.

My Akita dog is very smart.

At the airport, drug dogs are sniffing passengers' luggage.

My mobility dog helps me live my daily life.

Detection dogs are trained to find explosives.

Police dogs are very effective in tracking criminals.