rigid as a plank
僵硬得像块木板

sour
酸的；酸腐的；刻薄的
Most green fruit is sour.
大多数未熟的水果都是酸的。
The dish's gone sour.
这菜已经变质了。

monster
怪物；恶人；巨物
A hideous monster attacked the helpless villagers.
有个丑恶的怪物袭击了手无寸铁的村民。
I saw a horrible monster in the forest.
我在林中见到一头可怕的怪物。

softened and saddened by
微微的痛苦而悲伤

traced
痕迹；微量；踪迹
When the police exhume the corpse they discover trace of poison in it
警方掘出尸体, 发现有中毒的痕迹
The police have detected the trace of the murderer after several days of investigation.
警察经过几天的调查,发现了凶手的踪迹。

exhaled
呼气；散发
Take a deep breath, then exhale slowly.
深吸一口气，然后慢慢呼气。
He lit his cigar and exhaled smoke.
他点燃雪茄，然后吐出烟雾。

Enough for forever.
永永远远，都足够了。