He is a very excellent technician.

The advancement of science and technology has greatly changed our lives.

He is good at solving technical problems.

Information technology plays a very important role in modern society.

His thoughts were as we expected.

I am surprised by this unexpected event.

This was truly an unexpected result.

When I hear that song, old memories come to mind.

He proceeded with his work in a matter-of-fact manner.

He was drinking coffee calmly.