He was staring at the flame in the campfire.

There is a possibility that the pot may break if you heat it empty.

He smiled triumphantly.

His strong point is mathematics.

We are planning to camp in the mountains next week.

We camped in the mountains over the weekend.

He burned firewood to keep warm.

His actions were the object of disdain from those around him.

He disdained the proposal.

He is swept away by indolence, spending his days doing nothing.