When he was building his house, he was particularly concerned about the north-eastern direction.

He likes writing poetry, and makes sure to write at least one phrase every day.

This issue may have secondary effects.

The queen has returned to the castle.

He moved swiftly to avoid the enemy bullet.

This jar contains a mineral called realgar, which was used as an ancient medicine.

Mr. Kuroda is my best friend.

Kitagawa is my best friend.

He is a bonesetting specialist and has treated many people's fractures.

He broke his arm, so he had bonesetting done.