At the moment, the law on compensation is very much a grey area.

当前，关于赔偿的法律很大程度上是一个灰色区域。

《柯林斯英汉双解大词典》

Exactly what can be called an offensive weapon is still a grey area.

究竟什么可称作进攻性武器仍然难以界定。

《牛津词典》

Handling exceptions, on the other hand, is a grey area.

另一方面，处理例外是一个灰色的区域。

youdao

There is also a grey area here, let me say going back to what you were saying earlier.

这里还存在着一个灰色地带，我现在来说你刚才所说的话题。

普林斯顿公开课 - 人性课程节选

Like Airbnb, EatWith and other dinner-hosting start-ups operate in a grey area of the law.

BBC: Would you eat in a stranger's home?

It describes as a grey area the lawfulness of advocating or promoting terminations outside Northern Ireland.

BBC: Draft NI abortion guidelines published by minister

It is a grey area, but there is a difference between selling occasional personal items on eBay and selling for profit.

BBC: NEWS | Business | When does eBay selling become taxable?