He is working hard to pay off his debts.

He lost his temper after losing the game.

In my house, we often enjoy hot pot on cold winter nights.

He lit a fire using a match.

This gunpowder has been used since ancient times.

He was surprised to see the fire truck.

There is an old boiler in this house.

Firefox is my favorite web browser.

St. Elmo's fire is a phenomenon of electrical discharge that appears on things like ship masts and airplane wings.

According to legend, the furaribi is said to be a yōkai that further confuses lost people.