1. To betray a friend is a base action.
    出卖朋友是最卑鄙的。

2. The death of his devoted friend made him sad.
    他忠实朋友的去世使他很悲痛。

3. The value of a true friend is not estimable.
    一个真正朋友的价值是无法估量的。

4. The ring is a memento of an old friend.
    这个戒指是老朋友的纪念品。

5. The man who said he would help his friend at once got up a tree and hid himself among the leaves.
    那个说要帮助他朋友的人马上爬到树上，把自己藏在树叶丛里。

6. The next day she went to her friend´s house and told her of her difficulty.
    第二天，她去了她朋友家，给她讲述了她的困难。

7. The loss of a job is rejection, resulting in the same hurt feelings as if a friend had told you to "bug off".
    失去工作就是被人拒绝，它引发了像有一个朋友在叫你"快滚"时那样的伤心感觉。

8. Try changing your study habits. Study with a friend or have your parents help.
    那么试着去改变自己的学习习惯。和朋友一起学习，或者让父母帮助自己。

9. The first week, a friend stopped by and asked if he could store a trunk in the back of the shop.
    开张第一个星期，有位朋友路过，问能否将他的大皮箱寄存在店铺的后面。"

10. Of the nature of the illness from which his friend was suffering,
    不知道他的朋友得的是什么病，