a friend is

• A friend is a loving companion at all time
  朋友是一生的知心良伴。
• A friend is , as it were , a second self
  可以说，朋友是另一个自我。
• A friend is a person who can let you understand a lot of things
  朋友是让你了解很多事情的人。
• A friend is known in adversity
  在患难之中才能看出（真假）朋友。
• A friend is , as it were , a second self
  朋友好象是另外一个自已。
• A friend is a present you give yourself
  朋友是你给自己的礼物。
• The only way to have a friend is to be one
  对美德的回报是美德，获得友谊的唯一途径是给人以友谊。
• A friend is best found in adversity
  灾难见真友。风雨故人来。
• A friend is easier lost than found
  谚失友容易，交友难。
• A friend is , as it were , a second self
  朋友就如另一个自己。