A hush fell over the crowd and I knew something terrible had happened.

人群突然一片肃静，我便知道一定发生了什么可怕的事情了。

《柯林斯英汉双解大词典》

I could tell by the look on her face that something terrible had happened.

从她的脸色我可以看出，发生了可怕的事情。

《牛津词典》

Last night, something terrible happened.

昨晚，一些可怕的事情发生了。

youdao

But if you push it too far you will anger the gods and something terrible will happen to you.

但是如果过分追名逐利,便会触怒诸神,灾难随即降临

耶鲁公开课 - 古希腊历史简介课程节选

Something terrible has happened with the American diet and it's not just happened in America, but country after country, after country is changing to follow America's example.

美国人的饮食正发生着一些可怕的状况,而且不仅在美国,一个,一个又一个国家,正在以美国为标准进行着饮食调整

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Herbert Hoover as president understands as president that something terrible has happened, but fundamentally the policies in place are as those of ```and every president before, small federal government, and we see signs that the market began to correct itself.

赫伯特，胡佛作为总统,明白，作为总统,糟糕的事情发生了，但根本上政策,是和之前总统，小型联邦政府，我们看见迹象,市场开始自我修正。

斯坦福公开课 - 经济学课程节选

Often the choice facing European politicians is between something terrible and something worse.

WSJ: A Protest Vote Is Still Only a Protest Vote

When the observers finally entered the village one day later, they saw clear evidence that something terrible had happened.

CNN: Tracking down torture in Syria

In the morning those female classmates ran away screaming when they spotted Emma, as if they had seen something terrible.

CNN: ASIANOW - TIME Asia