这次爆发是由一种致命病毒引起的。

The outbreak was caused by a ___deadly virus.

他因携带致命武器被捕。

He was arrested for carrying a ___deadly weapon.

没有掩护，他们很快被布尔致命的机枪扫射消灭。

Caught without cover, they were quickly eliminated by a burst of Bull's ___deadly machine gun.