1. 衰弱的
2. 无活力的
3. 无力的，虚弱的

1. 削弱，使衰弱，使虚弱
2. 使失去活力，使丧失力量
3. 使无力

1. weaken mentally or morally

2. disturb the composure of

1.毁灭性的;极具破坏力的
If you describe something asdevastating, you are emphasizing that it is very harmful or damaging.

e.g. The city of Ormac took the full force of the winds anddevastating floods...
奥马克城受到了狂风和灾难性洪水的猛烈袭击。
e.g. Affairs do have adevastating effect on marriages.
婚外情确实会对婚姻造成毁灭性的影响。

2.令人极为震惊的;使人极度不安的;可怕的
You can usedevastating to emphasize that something is very shocking, upsetting, or terrible.

e.g. The diagnosis wasdevastating. She had cancer.
诊断结果令人震惊：她得了癌症。

3.极其引人注目的;令人印象深刻的
You can usedevastating to emphasize that something or someone is very impressive.

e.g. ...adevastating display of galloping and jumping...
令人难忘的骑马飞奔和跳跃表演
e.g. I wasdevastating, if I do say so myself.
如果让我来说的话，我真是棒极了。

1. 毁灭性的：使人们习惯使用Linux,一种无痛苦的体验,而且立即就有回报;第二,此举可以告诉人们,在大多数时间里面,这就是他们所需要的那些功能;第三,这种(Linux)体验的心里效应是非常深奥的,其结果对于微软而言将是毁灭性的(devastating).

2.

2. 破坏性的：derail 脱轨 |devastating 破坏性的 | drawing 抽签

3. 灾难性的：12.surge: 爆发,事态突然扩大. | 13.devastating: 灾难性的. | 14.ringleader: (骚乱、违法活动中的)头目.

4.

4. 破坏性：devanture 蒸锌炉冷凝器 |devastating 破坏性 | developable 可发展的

Change for change's sake is stupid and enervating.

为改变而改变是愚蠢而徒劳无功的。

After the operation she had been enervating for several hours.

手术后她已经虚弱几个小时了。

Those were miserable, enervating months - all of which I spent stuck inside my mother's house.

我腻在我妈妈家里的那几个月真是悲惨又萎靡的几个月。

Life was hard and enervating.

人生艰难，令人委顿。