He pursued wealth like a covetous person.

He taught me how to calculate the area of an obtuse triangle.

He is a bit thickheaded, so he didn't notice her feelings.

I have been to Londonderry.

Gordon is my best friend.

The boat was bobbing heavily in the waves.

The story of Don Quixote is one of my favorites.

I want to eat a beef bowl.

An affricate refers to a specific type of sound in phonetics.

I worship the statue of Guanyin every day.