That person is my friend.

He is not only an excellent doctor, but also a wonderful educator.

He is knowledgeable about human affairs.

Choosing a leader for the new project is very important.

In medical classes, we learn about the structure of the human body.

It is important for each person to fulfill their role.

I bought the goods in yuan.

壬 is the ninth character of the ten Heavenly Stems.

He is a loyal retainer of our house.

His ears are very good, so he can hear distant sounds.