deadly, fatal, mortal, lethal

形容詞 fatal:

1. bringing death
2. having momentous consequences; of decisive importance
   同義詞：fateful
3. (of events) having extremely unfortunate or dire consequences; bringing ruin
   同義詞：black, calamitous, disastrous, fateful
4. controlled or decreed by fate; predetermined
   同義詞：fateful

1. Fatal accidents have decreased in frequency over recent years.
   近年來(lái)死亡事故發(fā)生的頻率已經(jīng)下降。
2. The flight paths of the aeroplanes crossed, with fatal results.
   飛機(jī)的航線互相交錯(cuò)鑄成人命慘禍。
3. Death is instantaneous in a fatal accident.
   在致命的事故中，死亡是即刻發(fā)生的。
4. Your argument has a fatal flaw.
   你的論點(diǎn)有一個(gè)致命的錯(cuò)誤。
5. This was his fatal defect; he was of feeble will.
   這是他致命的弱點(diǎn)，他意志薄弱。
6. His illness was fatal to our plan.
   他的患病給我們的計(jì)劃帶來(lái)災(zāi)難。

fa.tal

adj.（形容詞）
Causing or capable of causing death.
致命的：引起死亡的，能夠引起死亡的
Causing ruin or destruction; disastrous:
毀滅性的：引起毀滅或破壞的；災(zāi)難的：
例句：
.Such doctrines, if true, would be absolutely fatal to my theory.(Charles Darwin)
.這些教條如果是真的，將對(duì)我的理論有著絕對(duì)的毀滅性.(查爾斯·達(dá)爾文)

Of decisive importance; fateful.
決定性的：有決定的重要性的；重大的
Determining destiny; controlled by fate.
命中注定的：決定命運(yùn)的；由命運(yùn)控制的
Obsolete Having been destined; fated.
【廢語(yǔ)】 已定下來(lái)的；避免不了的

來(lái)源：
Middle English [fateful]
中古英語(yǔ) [決定命運(yùn)的]
from Old French
源自 古法語(yǔ)
from Latin f3t3lis
源自 拉丁語(yǔ) f3t3lis
from f3tum [prophecy, doom] * see fate
源自 f3tum [預(yù)言，命運(yùn)] *參見(jiàn) fate

<參考詞匯><同義詞>fatal,deadly,mortal,lethalThese adjectives apply to what causes or is likely to cause death.
這些形容詞指引起或可能引起死亡的。
Fatal describes conditions, circumstances, or events that have caused or are destined inevitably to cause death or dire consequences:
Fatal 描述條件、環(huán)境或事件已引起或注定不可避免地會(huì)引起死亡或悲慘的結(jié)果：
例句：
a fatal accident;
致命的事故；

例句：
a fatal illness.
致命的病癥，

例句：
.It is fatal to enter any war without the will to win it. (Douglas MacArthur).
.不抱贏的希望參加戰(zhàn)爭(zhēng)，那是必死無(wú)疑的. （道格拉斯·麥克阿瑟）。

Deadly means capable of killing:
Deadly 指殺傷力：
例句：
a deadly weapon;
致命的武器；

例句：
a deadly poison.
致命的毒藥，

Mortal describes a condition or action that has produced or is about to produce death:
Mortal 描述狀況或行為已經(jīng)產(chǎn)生或?qū)⒁a(chǎn)生死亡：
例句：
a mortal wound.
致命傷。

Lethal refers to a sure agent of death that may have been created solely for the purpose of killing:
Lethal 指確定的死亡原因，有可能是為謀殺而策劃的：
例句：
execution by lethal injection;
致死性注射的死刑；

例句：
a lethal dose of barbiturates.
巴比妥酸鹽的致死藥量