youdao

Sometimes this can cause dangerous or even fatal reactions.

有时会造成危险，甚至危及生命。

youdao

Flu symptoms can be severe, and even fatal, when the illness strikes young children or the elderly.

当病毒攻击幼儿或老人时，流感症状可能很严重甚至是致命的。

youdao

It is harmless to humans and is not even fatal to most animals, but it destroys their economic value.

CNN: Seven new UK foot-and-mouth cases

Speaking of Giuliani, his decision to forgo the early primaries looked like a poorly considered, even fatal mistake last week.

FORBES: Pulpit Beats PowerPoint

While ablation is generally safer than major surgery, serious--even fatal--complications can occur if the needle punctures or burns vital organs.

FORBES: Tumor Zappers