She suffered from a mysterious malady for years.

她多年来一直患有神秘的疾病。

The doctor was unable to diagnose the strange malady.

医生无法诊断出这种奇怪的疾病。

Corruption is a deep-seated malady in the political system.

腐败是政治体系中根深蒂固的弊病。

The economic malady affected millions of people.

经济弊病影响了数百万人。