A pessimist might see a rainy day as a ruined plan.

悲观主义者可能会把雨天看作计划被破坏了。

Even in good times, a pessimist finds something to worry about.

即使在好时光，悲观主义者也会找到担心的事。

Quit being such a pessimist.

不要再这么悲观了.

It's too late to be a pessimist.

要悲观已经太迟。

A pessimist sees a glass that's half empty;

悲观的人看到杯子里有一半是空的；

An optimist sees the rose; a pessimist the thorn.

乐观的人看到玫瑰，悲观的人只看到它的刺。

An optimist laughs to forget. A pessimist forgets to laugh.

乐观者笑着忘却，悲观者忘记怎样笑。

Also, I'm a pessimist, and Greg's unswerving optimism really irritating.

而且，我是个消极主义者，格雷格坚定不移的乐观真的很恼人。

The man who is a pessimist before forty-eight knows too much;

未逾四十八岁的悲观主义者， 是知道得太多之人；

A pessimist see only the dark side of the clouds, and mopes ;

哲学家看到了云的两面而耸肩；