I showed my kid how the engine works.
我向孩子展示了引擎是如何运行的。

It is unbelievable how stupid he is.

他真是笨得令人难以置信。

For example, Declan McCreesh describes how this makes possible access to the most up to date information.

举例来说，德克兰·麦克里什描述了这如何使接近最新信息成为可能。

My fitness coach teaches me how to exercise.
我的健身教练教我怎样锻炼。

I didn't know how to handle these people.

我不知道如何对付这些人。

※Action is the  last resource of those who know not how to dream.   Oscar Wilde, British dramatis   不善于想象的人一切乞求于行动。英国剧作家  王尔德  O .  
※How shall I do to love? Believe. How shall I do to believe? Love. 怎样对待爱情？要相信。怎样才能相信？要有爱情。
※How many a pear which presents a blooming face to the would is rotten at  the core, How many an innocent-looking apple, is harbouring a worm in the bud,. But the orange has no secret faults. Its outside is a mirror of its inside. Allen.A.Milne,American writer——表面鲜嫩可爱，内核变坏的梨子在这个世界上不知有多少。看上去纯净无瑕内心早就长了虫的苹果，在这个世界上不知有多少。然而橙子却毫无缺点可以隐瞒，它的外部就是它内心的一面镜子。美国作家  米尔恩.A.A
※Life is ten percent what you make it and ninety percent how you take it.( I. Berlin)——    生活有百分之十在于你如何塑造它，有百分之九十在于你如何对待它。（柏林）