1
lethal to/for sb/sth
表示对某人或某物致命，常接介词 to 或 for。
The poison is lethal to humans.
这种毒药对人类是致命的。
致命的；致死的
先理解核心含义，再看它在真实句子里的用法。
致命的；致死的
Causing death or capable of causing death; fatal.
The poison is lethal to humans.
这种毒药对人类是致命的。
与死亡有关的；致命的；致死的；致命的。
Of, pertaining to, or causing death; deadly; mortal; fatal.
The snake's venom is lethal to humans.
这种蛇的毒液对人类是致命的。
The storm brought lethal winds that destroyed homes.
风暴带来了摧毁房屋的致命大风。
Improper storage of chemicals can create a lethal hazard.
化学品储存不当可能造成致命的危险。
表示对某人或某物致命，常接介词 to 或 for。
The poison is lethal to humans.
这种毒药对人类是致命的。
常与 dose, amount, level 等词搭配。
He ingested a lethal dose of cyanide.
他摄入了致命剂量的氰化物。
修饰 weapon, force, injection 等名词。
The knife was used as a lethal weapon.
这把刀被用作致命武器。
与 potentially, almost, less 等副词连用。
The condition can be potentially lethal if untreated.
如果不治疗，这种情况可能会致命。
Not this
The accident was lethal.
Use this
The accident was fatal.
「lethal」强调具有致死能力（如武器、毒药），而「fatal」强调导致死亡的结果（如事故、疾病）。这里描述事故的结果，应使用「fatal」。
Not this
He carried a lethal into the room.
Use this
He carried a lethal weapon into the room.
「lethal」是形容词，不能单独作名词使用，必须修饰一个名词（如 weapon, dose）。错误地将其用作名词，导致了不完整的表达。
Not this
She made a lethal mistake in the exam.
Use this
She made a fatal mistake in the exam.
「lethal」通常用于描述物理上的致命性，而不用于抽象的错误。表示严重错误时，常用「fatal mistake」。这里搭配不当，应改为「fatal」。
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Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
Use lethal naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.