I reserved a single room.

We booked a double room.

He likes to take a walk in the park at dusk.

Rumors are spreading that he is the culprit, but there must be some reason because 'where there's smoke, there's fire.'

We should always remember the power of Kannon in difficult times.

There must be a reason why he is acting suspiciously. It's like the saying, 'Where there's smoke, there's fire.'

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.