It's fun to see colorful butterflies in the park.

The beauty of butterflies is breathtaking.

This sinusoid is a channel for carrying venous blood.

Well then, I'm off.

He admitted that it is difficult to execute the plan, saying 'it is easier said than done.'

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.

He was promoted to a high-ranking position.

In mahjong, the opponent on my right, the lower house, is a formidable enemy.