How can they not intervene when they witness such atrocities?

人们看到这种暴行，怎么会不干涉呢？

youdao

It's easy for people to think that the interaction they witness on the web is a complete reflection of the world in general.

人们很容易理解由于网络的交互性，使网络是现实的一个倒影。

youdao

He wishes that these chains may be placed in his coffin, for they witness to the world of the way in which a man's contemporaries reward good service.

他真恨不得将这些铁链枷锁带进棺材，让他们好见证他的同时代人对一个全心服务世界的人的报偿。

youdao

He channeled his emotional breakdown into a documentary film about journalists who struggle with the traumatic violence they witness.

VOA: standard.2010.07.01

The guidelines urge individuals to call 911 if they witness child abuse or endangerment.

WSJ: Parents Patrol Nannies Online

As they witness the prospects of additional regulatory burdens targeting boardrooms and C-suites, the reaction is not enthusiastic across the board.

FORBES

There is no room for manipulation of any kind, whether in Photoshop or through the photographer's intervention and influence on the scenes they witness.

BBC: Drowning in pictures