witch-hunt
n
(a) search to find and destroy people thought to be witches 搜捕女巫.
(b) (fig usu derog 比喻, 通常作貶義) investigation made in order to persecute people who hold unorthodox or unpopular views 為迫害持非正統(tǒng)觀點者而進行的調(diào)查
The crusade for sexual morality is turning into a witch-hunt. 捍衛(wèi)性道德的運動正在轉(zhuǎn)化成對持異議人士的迫害.