悲观 (bēi guān) [英] pessimistic; gloomy

用法：形容词，表示对事物持消极的态度，认为事情会朝着不好的方向发展。

例句1：他是个悲观的人，总是看到问题的负面影响。

He is a pessimistic person and always sees the negative impact of things.

例句2：她对自己的前途感到悲观，认为自己永远无法成功。

She feels pessimistic about her future and believes she will never succeed.

例句3：这个的经济前景令人悲观，很多人失业了。

The economic outlook of this country is gloomy, and many people are unemployed.

例句4：他们对这次考试的结果感到悲观，因为他们没有做好准备。

They are pessimistic about the results of this exam because they were not well prepared.

例句5：他的悲观态度影响了周围的人，大家都变得沮丧起来。

His pessimistic attitude has affected those around him, and everyone has become depressed.

同义词及用法：

消极 (xiāo jí) [英] negative; passive

用法：形容词，表示对事物持消极、被动的态度。

厌世 (yàn shì) [英] misanthropic; cynical

用法：形容词，表示厌恶人类和社会，对一切事物都持悲观的态度。

绝望 (jué wàng) [英] despair; hopelessness

用法：名词，表示对未来或现状感到绝望的心理状态。

编辑总结：

悲观是一个消极的态度，它使人们看到事物的负面影响，对未来充满了恐惧和担忧。与其相反的态度是乐观，它使人们看到事物的积极面，并带来希望和信心。在生活中，我们应该尽量保持乐观的态度，这样才能更好地应对挑战和困难。