He answered wrong in the test.

This plant has withered due to lack of water.

With old age, his eyesight gradually deteriorated.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

The human immunodeficiency virus destroys the immune system, making the body unable to fight disease.

It is important to learn about the prevention and treatment of the human immunodeficiency virus.

She is beautiful like a peony when she stands, a peony when she sits, and a lily when she walks.

We have equipped everything necessary for the trip.

This wire is bent into a hook shape.

His words can be understood as a metaphor.