His son is allergic to peanuts.

他儿子对花生过敏

While there are many advantages of having a pet, keeping one in the dorms can be problematic because some students may be allergic to pets.

虽然养宠物有许多好处，在宿舍养宠物却可能会有问题，因为有些学生可能对宠物过敏。

What do you be allergic to ?

你对什么东西过敏吗？

You must be allergic to it.

你一定是对它过敏。

Many people would be allergic to pollen.

许多人会对花粉过敏。

People can also be allergic to medicines.

人们也会对药物过敏。