monomania
Longman Dictionary of Contemporary English 5++LDOCE 5++mon·o·ma·ni·a /ˌmɒnəʊˈmeɪniə $ ˌmɑːnoʊ-/ noun [uncountable] formal OBSESSIONa very strong interest in one particular idea or subject which prevents you from thinking about anything else 单狂，偏狂；〔对单一想法或问题的〕狂热 an obsession with food that verged on monomania 对食物近乎狂热的痴迷 —monomaniac /-niæk/ noun [countable]
Examples from the Corpus
monomania• She has an obsession with the drug that verges on monomania.• Such monomania has been useful to warriors since long before the silicon age.• Thus, finally, Ahab recognizes the monomania of his pursuit, but can do nothing about it.• Can I explain to her that I am fully in sympathy with their monomania?mon·o·ma·ni·a nounChineseSyllable
or particular very idea strong which interest subject one a Corpus in
monomania
mon‧o‧ma‧ni‧a /ˌmɒnəʊˈmeɪniə $ ˌmɑːnoʊ-/
noun [uncountable] formal
a very strong interest in one particular idea or subject which prevents you from thinking about anything else:
an obsession with food that verged on monomania
—monomaniac /-niæk/ noun [countable]
mon‧o‧ma‧ni‧a /ˌmɒnəʊˈmeɪniə $ ˌmɑːnoʊ-/
noun [uncountable] formala very strong interest in one particular idea or subject which prevents you from thinking about anything else:
—monomaniac /-niæk/ noun [countable]