impotent

形容词 impotent:

1. lacking power or ability
2. (of a male) unable to copulate

1. In the dreams of the impotent, comes the answer.
   它回答道：“在那无能为力者的梦境里。”
2. The quality or condition of being impotent.
   无能为力无能为力的状态或性质
3. The boy is so impotent that he can't do a simple job well.
   这个男孩非常无能，连一件简单的工作也做不好。
4. Without the chairman's support, the committee is impotent.
   没有主席的支持，委员会是无能为力的。

im.po.tent

adj.（形容词）
Lacking physical strength or vigor; weak.
无力的；虚弱的：缺乏物质力量或活力的；虚弱的
Lacking in power, as to act effectively; helpless:
无力的，无效的：缺乏力量以致不起作用的；无助的：
例句：
.Technology without morality is barbarous; morality without technology is impotent.(Freeman J. Dyson)
.没有道德的技术是野蛮的；道德没有了技术是无力的.(弗里曼J.戴森)

Incapable of sexual intercourse, often because of an inability to achieve or sustain an erection.
阳萎的：不能进行性交的，经常是因为不能达到或维持勃起
Sterile. Used of males.See Synonyms at sterile
不能生育的。指雄性参见 sterile
Obsolete Lacking self-restraint.
【废语】 无自制力的

来源：
Middle English
中古英语
from Old French
源自 古法语
from Latin impotôns impotent-
源自 拉丁语 impotôns impotent-
in- [not] * see in-
in- [不] *参见 in-
potôns [potent] * see potent
potôns [有性交能力的] *参见 potent

【引伸】
im.potently
adv.（副词）