Ebola was so deadly and killed so quickly that within a short period of time, there was no one around to infect.

埃博拉病毒十分致命，致死速度极快，以至于在短时间内，周围没有健康的人可以再被病毒感染。

youdao

Why is heart disease so deadly?

为什么心脏病有如此致命性？

youdao

She gave the sweet is so deadly.

她给的甜蜜是那么的致命。

youdao

But what makes July so deadly?

VOA: special.2010.06.16

So, the concern at this time, and still remains a concern, is that infectious agents, particularly very deadly infectious agents like smallpox, could be weaponized in some way, or converted into a weapon.

当时有一些担心,现在还在担心,这些传染源,尤其是像天花非常具有致命性的传染源,可以进行某种程度的武器化,或者转变成武器

耶鲁公开课 - 生物医学工程探索课程节选

"Our brave men and women are making steady progress against the deadly foe and are doing so at great risk to their lives.

VOA: special.2010.03.13

Had they done so, the initial Confederate assault would not have been so deadly.

FORBES: Lessons From War For Investors #2: A Mind Is a Terrible Thing To Close

The biggest unanswered question is why protein globs are so deadly.

FORBES: Magazine Article

Chris Lilley is so good because he is so deadly accurate.

BBC: Chris Lilley: Australia's finest cultural export?