He likes to take a walk in the park at dusk.

He solved the problem in a scientific way.

This reaction occurs through a chemical process.

He is good at tactical thinking.

He exercises every day and leads a healthy life.

Fundamental knowledge of mathematics is necessary to solve advanced problems.

This park was completely artificially made.

She is looking for an ideal partner.

He is troubled by chronic headaches.

I think his ideas are revolutionary.