I am not asking this question out of despair or to renew hope.

我问这个问题并不是出于绝望或想增强希望。

If you couldn't attend either of the concerts and are currently gnashing your teeth at having missed out, don't despair.

如果你两场音乐会都去不了而为此咬牙切齿的话，别绝望。

If the surprises are too great, it will cause the reader to overwork and eventually leave it out of disappointment or despair.

如果令人惊讶之处过多，则会导致读者过劳，最后因失望或绝望而抛开它。

I tried to drag myself out of the morass of despair.

我试图把自己从绝望的困境中拉出来。

Don't despair! We'll think of a way out of this.

别灰心！我们会找到出路的。