The test was difficult this time.

I really care about his health condition.

Don't mind what he said, he was just joking.

He doesn't mind other people's opinions much.

He is good at playing the erhu.

Despite his promise, he didn't come.

He attacked the enemy's position using a grenade launcher.

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.