I drink black vinegar every day for my health.

It is said that terrifying creatures live in that dark forest.

His heart seemed as dark as pitch.

In the Edo period, women blackened their teeth as a symbol of beauty.

It was my first time catching a bighead carp.

The Steller's jay was flying with its beautiful blue feathers spread out.

I saw a blue jay in the park.

The philosophy of Mohism, one of the thoughts of ancient China, advocated universal love and fairness.

He fulfilled his responsibilities as a government official.

We must absolutely obey the orders of the emperor.