a.

1. 致命的
   In situations like this, she wished she had a gun or some lethal weapon.

   在這種情況下，她真希望自己有一把槍或什麼致命武器。

2. 危險的；毀滅性的
   Don't touch the bottle. It contains lethal chemicals.

   不要碰這個瓶子。裡面裝有危險的化學品。

adj.

1. sufficient to cause death.
2. very harmful or destructive.