allergy
/ˈælədʒɪ/noun
(pl.-ies)
1- a damaging immune response by the body to a substance, especially a particular food, pollen, fur, or dust, to which it has become hypersensitive变应性, 过敏（症）。
1.1
- informal an antipathy〈非正式〉憎恶, 反感：
their allergy to free enterprise.
他们对自由企业的反感。
词源
early 20th cent.: from German Allergie, from Greek allos 'other'， on the pattern of Energie 'energy'.