1·Not since 1925 have more people been killed by tornadoes in a single day, and not since Hurricane Katrina has there been a deadlier natural disaster in America.
这是自1925年以来单日造成遇难者人数最多的龙卷风，也是自卡特里娜飓风之后美国发生的最为致命的自然灾害。
2·Evennow, increasingly deadlier firearms are under development.
即使是现在，越来越多的致命火器仍正在开发中。
3·Scientists warn that the virus could mutate into a much deadlier form.
科学家们警告，该病毒可能变异成更致命的形式。
4·While landslides can swallow entire villages by themselves, there is a way for them to become even deadlier.
尽管山崩本身就能吞没整个村庄，但还有方法使其变得更为致命。
5·His speech attacking George Bush senior in 1988, for example, would have been deadlier delivered by someone else.
举例来说，他在1988年攻击老乔治 •布什的一篇演说如果换成别人来做就会更加致命。