He sent sparks flying during the welding work.

I was quietly reading a book while watching the setting sun in the park.

His skills are indispensable for this project.

A drop of water fell from the cup.

His career grew rapidly.

He always has a critical attitude.

His plan was so unrealistic that no one could believe it.

That plan is too impractical, it's difficult to implement.

I was fascinated by the deliciousness of Shimadikon.

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