N-UNCOUNT
天谴;报应
The nemesis of a person or thing is a situation, event, or person which causes them to be seriously harmed, especially as a punishment.
例句
He believes AIDS is our collective nemesis...
他认为艾滋病是对我们所有人的惩罚。
Yet the imminent crisis in its balance of payments may be the President's nemesis.
不过迫近的国际收支平衡危机也许是对总统的报应。