名詞 withering:

1. any weakening or degeneration (especially through lack of use)
   同義詞：atrophy

動(dòng)詞 wither:

1. wither, as with a loss of moisture
   同義詞：shrivel, shrivel up, shrink, wither
2. lose freshness, vigor, or vitality
   同義詞：fade, wither

形容詞 withering:

1. wreaking or capable of wreaking complete destruction
   同義詞：annihilative, annihilating, devastating
2. making light of- W.S.Gilbert
   同義詞：annihilating, devastating

1. Older people are complaining that the old values are withering away in this free society.
   上了年紀(jì)的人抱怨說，在這個(gè)自由社會(huì)里，老的價(jià)值觀念正在逐漸消失。
2. The poor man is withering away.
   這個(gè)可憐的人已經(jīng)奄奄一息了。

with.er.ing

adj.（形容詞）
Tending to overwhelm or destroy; devastating:
毀滅的，衰退的：傾向于淹沒的或破壞的；毀滅的：
例句：
withering sarcasm.
毀滅性的諷刺

【引伸】
with.eringly
adv.（副詞）