He studied the mystical arts of a holy sage and dedicated his life to helping people.

He measured the wavelength of light using interferometry.

This law is a sieve law, full of loopholes.

Related items are listed at the bottom of this article.

They cooperated to form a coalition government.

They decided to form a coalition for political reasons.

Our opinions differ.

His opinion differs from mine.

Please stop making unreasonable demands.

He was wrapping the present.