optimist ['ɔptimist]

英汉解释

n. 乐观主义者；乐天派

反义词

n.   pessimist

参考例句

1. Pessimists say that the glass is half empty, but I am an optimist and say that it is half full.
悲观主义者说那个杯子是半空的，但是我是乐观主义者，我说那个杯子是半满的。
2. An optimist sees an opportunity in every calamity; a pessimist sees a calamity in every opportunity.
乐观者在每一个灾难中看到机会，悲观者在每一个机会中看到灾难。
3. The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails.
悲观主义者抱怨有风；乐观主义者希望风向改变；现实主义者调整船帆。

英英解释

n.
  1. a person disposed to take a favorable view of things

网络释义

optimist
乐观者; 乐观主义者; 乐天派; 型帆船;
The Optimist
乐观的人; 乐天派;
Optimist Class
乐观者级：; 乐观者级;
Optimist Prime
柯博文;
An Optimist
乐天派; 乐观者;