At the end of the book the child's true identity is discovered, and the bad guys get their just deserts.

在书的结尾，这孩子的真实身份被揭开了，那些坏人也受到了应有的惩罚。

《柯林斯英汉双解大词典》

He was fined for shoplifting but only received his just deserts.

他冒充顾客进商店行窃被罚款，那只不过是他应得的惩罚。

youdao

Finally, people everywhere have a strong belief in "just deserts" punishment.

最后，人们都非常相信“报应”这种惩罚。

youdao

"They fall all over the Earth, not just Antarctica, but the best places for us to find them are the deserts because they don't get weathered and they don't break down as easily."

VOA: special.2010.07.28

Onlookers have delighted, as onlookers do, in the spectacle of the get-rich-quick merchants getting nothing but their just deserts.

ECONOMIST: All that glisters . . .

If someone has already received more than his or her just financial deserts for what they do in life, the knighthood might then look like an institutionalised form of having your cake and eating it: lovely for the recipient, but perhaps of limited social utility.

BBC: Do business leaders deserve their gongs?

Unless something is done to reverse the decline in Europe's fish stock, the oceans here will be as devoid of life as deserts are in just four decades from now, President Grimsson said.

BBC: Davos 2013: Iceland slams Europe over fishing policy