The uselessness of the broken tool was evident.

这把坏掉的工具的无用显而易见。

He felt a sense of uselessness after losing his job.

他失业后感到一种无用的感觉。

She was frustrated by the uselessness of the advice she received.

她对所收到建议的无用感到沮丧。

The uselessness of the old computer made it necessary to buy a new one.

旧电脑的无用使得有必要买一台新的。

The uselessness of the outdated map became clear when they got lost.

当他们迷路时，过时地图的无用变得显而易见。

Well, uselessness can be turned into usefulness.

可以化无用为有用。

Well , uselessness can be turned into usefulness.

可以化无用为有用.

To make you see the uselessness of having one.

让你明白拥有是无用的。

It is a scathing tract on the uselessness of war.

这是一本对战争无用性进行严厉批评的小册子。

You can also create disorder in your life and a feeling of uselessness.

你还会出现生活失调和无用的感觉。