历史并不总是让人灰心丧气的。

Not all of history is on the pessimists’ side.

youdao

灰心丧气的金发女郎抱怨说：“你怎么知道我是金发女郎的？”

Frustrated, she exclaimed, "How do you know I'm a blonde?"

youdao

反过来也是这样；你不是真的用心在做一件事情时，你是很容易灰心丧气的。

The opposite is also true: When you don't have a heart for what you're doing, you're easily discouraged.

youdao

If you ask him if it's our people're gonna go, man will lose heart because of the theme of The Magnificent Ambersons that take you leave the way.

如果你问他我们人民将何去何从，人们会灰心丧气，因为《安巴逊家族》的,主题会让你无路可走。

麻省理工公开课 - 电影哲学课程节选