Wild
Rough
い adjective
This is a single kanji with an い on the end, meaning you know it's probably an adjective. What's the adjective form of wild? It's wild or rough.
あらい
The reading is one of the readings you've learned from the kanji. The あら one.
私の初めての彼氏はいつも鼻が詰まっていて、電話をする時は息づかいが荒かったです。
My first boyfriend always had a stuffy nose and would breathe hard when we talked on the phone.