她扔掉了那张无价值的纸。

She threw away the worthless piece of paper.

那枚旧硬币结果是无价值的。

The old coin turned out to be valueless.

他给的建议完全是无价值的。

The advice he gave was completely worthless.

把小麦和无价值的东西分开。

Separate the wheat from the chaff.

他的演讲充满了无价值的东西。

His speech was full of chaff.

他提供的信息完全是无价值的。

The information he provided was completely valueless.

这块坏掉的手表现在是无价值的。

The broken watch is worthless now.

那幅画是赝品，因此是无价值的。

The painting was a fake and therefore valueless.

那只坏掉的手表现在是无价值的。

The broken watch is now valueless.

不要在无价值的东西上浪费时间。

Don't waste your time on chaff.