介绍： 1. optimistic [ɒptɪ'mɪstɪk]
adj. 乐观的
She is optimistic about her chances of winning a gold medal.
她对赢得金牌很乐观。

2. pessimistic [,pesɪ'mɪstɪk]
adj. 悲观的
Not everyone is so pessimistic about the future.
并非每个人都对未来如此悲观。

3. desperate ['desp(ə)rət]
adj. 绝望的

时间越来越少，我们越来越感...

介绍： 1. optimistic [ɒptɪ'mɪstɪk]
adj. 乐观的
She is optimistic about her chances of winning a gold medal.
她对赢得金牌很乐观。

2. pessimistic [,pesɪ'mɪstɪk]
adj. 悲观的
Not everyone is so pessimistic about the future.
并非每个人都对未来如此悲观。

3. desperate ['desp(ə)rət]
adj. 绝望的

时间越来越少，我们越来越感到绝望。

4. indifferent [ɪn'dɪf(ə)r(ə)nt]
adj. 漠不关心的
People have become indifferent to the suffering of others.
人们已经变得对别人的痛苦漠不关心。

5. hysterical [hɪ'sterɪk(ə)l]
adj. 歇斯底里的
Janet became hysterical and began screaming.
珍妮特歇斯底里起来，开始尖叫。

6. embarrass [ɪm'bærəs]
v. 使...尴尬，使...困窘
I didn't want to embarrass her in front of her friends.
我并不想在她朋友面前让她感到难堪。
embarrassing adj. 令人尴尬的 embarrassed adj. 觉得尴尬的

7.active ['æktɪv]
adj. 积极的，主动的，活跃的
He is the most active student in our class.
他是我们班最活跃的学生。

8. passive ['pæsɪv]
adj. 消极的，被动的
Kathy seems to take a very passive role in the relationship.
凯茜在这一关系中似乎扮演着十分被动的角色。

9. positive [ˈpɒzətɪv]
adj. 积极的，肯定的
You’ve got to be more positive about your work.
你必须更积极地对待自己的工作。

10. negative ['negətɪv]
adj. 消极的，负面的，否定的
You can't learn anything with negative attitude.
你用消极的态度什么也学不到。