monomaniac

n sufferer from monomania 单狂者; 偏狂者.

monkey business, monkey-nut, monkey-puzzle, monkey-wrench, monkish, mono, monochromatic, monochrome, monocle, monocotyledon, monogamous, monogamy, monogram, monogrammed, monograph, monolingual, monolith, monolithic, monologue (US also monolog), monomania, monophonic, monophthong, monoplane, monopolist, monopolistic, monopolization, monopolization, monopolisation, monopolize, monopolize, monopolise, monopoly, monorail, monosodium glutamate, monosyl-labically, monosyllabic, monosyllable, monotheism, monotheist, monotheistic, monotone, monotonous,