形容詞 fateful:

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

1. His heart sink as he listen to the judge utter the fateful word.
   他聽到法官字字千鈞的話，頓時(shí)垂頭喪氣。
2. A fateful sign.
   不祥的預(yù)兆
3. I relive that fateful day over and over in my mind.
   我在思想上不斷地重溫著那決定不幸命運(yùn)的日子。

fate.ful

adj.（形容詞）
Vitally affecting subsequent events; being of great consequence; momentous:
決定性的：決定性地引起一系列事件的；有重大后果的；重大的：
例句：
a fateful decision to counterattack.
反攻的決定性決策

Controlled by or as if by fate; predetermined.
命中注定的：被（或像是被）命運(yùn)掌握的；預(yù)先注定的
Bringing death or disaster; fatal.
致命的：帶來死亡或?yàn)?zāi)難的；致命的
Ominously prophetic; portentous:
預(yù)言性的：不祥預(yù)兆的；不吉的：
例句：
a fateful sign.
不祥的預(yù)兆

【引伸】
fate.fully
adv.（副詞）
fate.fulness
n.（名詞）