A classmate， 还可以用来形容 best friend，a child you know，happy person，A good friend

A family member，an old person who influenced you the most，someone you admire

A happy person，a successful person，A person who has influenced you

A person you would like to spend a day with=successful person=famous person

A character in TV show or films=happy person=successful person

Describe a colleague=successful person

Describe a music group or singer in your country=famous person

Describe your neighbor=your best friend

Describe your parents=family member

Describe your personality and its advantages结合自己的学习工作谈自己性格的优点

Describe your teacher=a friend