名词

1. 过敏反应；过敏症
If you have a particular allergy, you become ill or get a rash when you eat, smell, or touch something that does not normally make people ill.

2. 厌恶；反感
If you say that you have an allergy to something or someone, you mean that you dislike them very strongly and try to avoid them.

1. hypersensitivity reaction to a particular allergen
symptoms can vary greatly in intensity

Synonym: allergic reaction