I look terrible in this dress!

我穿这件衣服很难看！

youdao

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》

That's not terrible, but it is enough that I want to look more closely at alternatives.

这算不上可怕，但是足以促使我寻找别的替代方案。

youdao

"When I'm sick and I look terrible and that person is right next to me telling me I look beautiful (while) holding up my hair when I am puking my brains out in the toilet."

VOA: standard.2010.02.13

If we look down at it and say, "It's a terrible thing that " I just derive benefits from helping other people", then that part of our nature will depreciate over time.

如果我鄙视它并说，“很可怕,我从帮助他人身上获得利益，那么本性中那一部分将随时间贬值。

哈佛公开课 - 幸福课课程节选

I'll discuss the imaging performance in more detail later this month (spoiler alert: it's not terrible, but I won't look at it as my go-to device if I need to take high-quality shots).

ENGADGET: Back to BlackBerry: a power user's perspective Mobile