n.無(wú)能；[醫(yī)]陽(yáng)萎

The power of love is its impotence. 愛(ài)的無(wú)限威力在于愛(ài)不堪一擊。

His impotence to help made him despair. 他無(wú)力幫忙,感到很失望。

There is strength in numbers, but impotence in singlehandedness. 人多勢(shì)眾

The factory was also making fake male impotence drugs. 這家工廠還生產(chǎn)假冒的男用壯陽(yáng)藥品。