lethal

/ˈliθəl/

of an instrument of certain death

Chinese meaning: 致命的；致死的

The snake's venom is highly lethal, and victims can die within hours.

这种蛇的毒液是高度致命的，受害者可能在数小时内死亡。

Authorities warned that the new synthetic drug could be lethal even in small doses.

当局警告说，这种新的合成药物即使小剂量也可能致命。