I hadn't really noticed before but now they were beginning to hurt.

When his left hand began to hurt, too, he stopped.

The moment I saw the blood, the hand began to hurt.

And tried not to, because the very idea made his head begin to hurt.

A couple of days later, his teeth began to hurt.

Around this time he began to hurt himself in little ways.

After half an hour of this, my feet began to hurt.

His hand was beginning to hurt, and the pain gave him strength.

Poor air quality is beginning to hurt the region's economy.

An hour or so later, my foot began to really hurt.