His son underwent surgery for blastoma.

He was walking along the beach wearing a straw hat.

My four treasures of the study are a fountain pen, a pencil, an eraser, and a ruler.

He wrote a poem using the four treasures of the study.

He was wearing a straw hat to avoid the summer sun.

He wore a fedora and looked very stylish.

This force is very powerful.

His success is not merely the result of a little effort.

That joker is always avaricious for money.

This white object is a type of white Bakelite called 櫦.