allergic

I cannot eat this dessert because I am severely allergic to peanuts.

(Chinese) 我不能吃这个甜点，因为我对花生严重过敏。

Many people are allergic to cat fur and start sneezing as soon as they enter the room.

(Chinese) 很多人对猫毛过敏，一进屋就开始打喷嚏。