His way of speaking is affected, lacking in naturalness.

He has been working on that project for an extended period of time.

I use wheat flour of low viscosity to make pancakes.

The mechanization of agriculture has greatly improved productivity.

We are planning to mechanize this factory.

He is good at geometry.

Kikuko is my best friend.

I will go to Mikiko's birthday party.

He changed his clothes immediately after exercising at the gym.

His plan fell through.