无用 的英文翻译

futility

inutility

of no use

without avail

无用 的中文句子和英文句子

这个科学家的发现使那个旧理论成为无用之物。

The scientist's discovery threw that old theory into the melting pot.


这些文件毫无用处，只配扔进废纸篓里。

These documents are useless - they are only wastebasket fodder.


他退休后觉得自己年老无用了。

When he retired he felt that he had outlived his usefulness.


如果他身体这么糟，那么他的所有财富对他毫无用处。

All his riches are of no good to him if he is so ill.


在通信链路上出现的噪音或无用的信号，它损害语音、数据的接收或正确的解释。

On a communications link, noise or unwanted signals that impair the receipt or correct interpretation of speech or data.


无用的人或物的令人失望的无用的或不成功的人或物

One that is disappointingly ineffective or unsuccessful.


废物无用的、有害的或无价值的东西，尤指不适于配种的动物

Something useless, detrimental, or worthless, especially an animal unfit for breeding.


继续这种无聊的争辩是无用的。

It's useless to continue such a barren argument.


你现在改变主意已经太迟了，所以为此而伤心落泪是毫无用处的。

It's too late to change your mind now; so there is no point in shedding tears.


废物利用从无用的东西中获取有用物质的行为

The act of obtaining usable substances from unusable sources.