You will always have the bad as well as the good in the world.

人生在世总是有苦有甜。

《牛津词典》

"David is a very bad boy, violent and lazy, maybe the worst boy in the world," he said angrily.

“大卫是一个非常坏的男孩，又暴躁又懒惰，或许是世界上最坏的男孩，”他生气地说。

youdao

Well, here we are in the big bad world of the Internet desperately trying to make our presence felt like the millions of others around the world WITHOUT any success.

我们生活在一个恐怖的互联网世界，拼命努力的让我们存在的感觉像成千上万的没有任何成功的人。

youdao

The World Health Organization says the problem with counterfeit medicines is especially bad in Africa, Asia and Latin America.

VOA: special.2010.02.22

So the world isn't essentially good in its nature or essentially bad.

因此世界在本质上并没有好坏差别。

耶鲁公开课 - 旧约导论课程节选

if something bad happened to me that wouldn't be the worst thing in the world.

对我来说，如果真有什么不幸，And，me，–,也没有比儿子们弑父娶母更糟糕的事情了。

耶鲁公开课 - 心理学导论课程节选

Mr Cele said police believed the incident was "orchestrated" in order "to put the World Cup security in a bad light".

BBC: England World Cup fan pays 'intruder' fine

In the highly fragmented art market, bringing art and art buyers together wherever they are in the world is no bad thing either.

FORBES: Would You Buy Art Online?

Some are willing to pay a high premium for Coca Cola on the perception that, in good times and bad people the world over are going to keep drinking Coke.

FORBES: Apple: What's It Really Worth