a person who gets sexual pleasure from secretly watching other people in sexual situations, or (more generally) a person who watches other people's private lives窺淫癖者;偷窺者
I felt like a voyeur visiting the war zone and seeing badly injured people being dragged from their bomb-shattered homes.我在戰區看到身受重傷的人們被從炸毀的家園中拖出來時,感覺自己就像個偷窺者。