He is majoring in linguistics.

His behavior is outrageous.

I think his behavior is outrageous.

Metalinguistics is an important concept in linguistics.

Natural language processing is the technology that allows computers to understand and generate human language.

He is good at writing programs in high-level languages.

Low-level languages can directly access the hardware.

He played a perfect fifth scale on the piano.

He is a perfectionist, so he is very strict about his work.

He is always grumbling about trivial things, it's really annoying.