This movie was very boring.

He is doing exercises to strengthen the dorsiflexion of his ankle.

This class is very tedious.

I am bored.

We plan to mine for gold in the mountains.

He was worst at word problems in elementary school math.

This ancient document contains many characters not found in the standard character set.

He was reading a book to kill time.

This class is unbearably tedious.

He makes a living in the mining industry.