Shadow economy does not mean ill-gotten gains here, but legal economic activity that is not taxed.

这里的地下经济不是指非法获得的钱财，而是指虽然合法但是不纳税的经济活动。

youdao

They say they mean you no ill.

他们说他们对你没有恶意。

《柯林斯英汉双解大词典》

If their feathers remain ruffled, it may mean they are ill.

如果它们的羽毛仍然蓬乱，那可能意味着它们生病了。

youdao

Does it mean we don't get ill?

这是否意味着我们不会生病？

哈佛公开课 - 幸福课课程节选

Extending quotas to all 59 federal universities, and half of all places, will mean admitting many more ill-prepared students, who may struggle.

ECONOMIST: Higher education in Brazil

It has yet to mean as much for the ill-educated, elderly and rural population.

ECONOMIST: Snap elections will not end the woes

More doors mean more ways for those with ill intent to break in.

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