He is well-versed in the use of hidden weapons.

He had a problem in the vision test because he has a scotoma.

After she left, her subtle fragrance lingered in the room.

He was scared to enter the dark cave.

He successfully made a concealed kong in mahjong.

He made a concealed kong in mahjong.

What does this code mean?

The Japanese night heron was quietly targeting fish in the pond.

We visited the moated burial mound and learned about the lives of ancient people.

He bought new socks.