nightmare 噩夢；夢魘
This is a nightmare. An absolute nightmare.
這是個噩夢。徹頭徹尾的噩夢。
Nobody knows what's going on -- it's a nightmare!
誰也不知道是怎么回事，真是糟透了！

ghost of the past 可怕的回憶
When she ran into her cheating ex boyfriend, it brought up the ghosts of the past.
當她碰見劈腿的前男友的時候，那段可怕的回憶就浮現(xiàn)出來了。
The ghost of the past still haunts me.
可怕的回憶仍然陰魂不散。

seared into my memory 回憶之殤；回憶中的劇痛
The tragedy of 9/11 is seared into my memory.
回憶起911事件，仍然讓人感到非常痛苦。
The day my first girlfriend dumped me is seared in my memory.
初戀女友離開我的那一天，永遠是我最痛苦的回憶。

excruciating 極痛苦的；極壞的；糟糕透頂?shù)?/span>
The pain of watching my father die was excruciating.
看著父親離去，是極度痛苦的回憶。

excruciating embarrassment of those moments 極度困窘的時刻
She groaned at the memory, suffering all over again the excruciating embarrassment of those moments.
她在回憶中呻吟，又一次飽嘗那時所經(jīng)歷的極度困窘。
Noticing that I've had a piece of bok choi on my teeth all day is an excruciating embarrassment.
發(fā)現(xiàn)自己牙上有顆菜，真的是極度尷尬。