He prepared a special costume for Halloween.

He studies classical literature and repeats old words.

He lives in a remote place.

He overestimated his own abilities.

He was overestimating his own abilities.

This room is dry, so I will humidify it using a humidifier.

The room is dry, so let's humidify it using a humidifier.

He made the painting feel more realistic by blurring the background.

This dish uses sake lees.

I made delicious food using sake lees.