Buying him expensive wine is just like 'pearls before swine'.

He is respected as the head of state of our country.

His son underwent surgery for blastoma.

He is an excellent first baseperson.

As a result of many years of smoking, he developed emphysema.

He comes from a lineage of hereditary feudal lords.

Infrared astronomy plays a very important role in the study of the universe.

He didn't know the meaning of 'hanai chimonme'.

This dress is made of rayon.

Acridine is an important compound in organic chemistry.