He is an amazing polyglot who can speak five languages fluently.

Natural language processing is a technology that allows computers to understand and analyze human language.

He is an expert in comparative linguistics.

Computational linguistics is the study of analyzing human language with computers.

He is world-famous as a comparative linguist.

Natural language understanding is an important field of artificial intelligence.

I am very interested in sociolinguistics.

He is attending a programming school to learn object-oriented languages.

We should always remember the power of Kannon in difficult times.

He always keeps in mind the phrase 'If one learns without thinking, it is a waste.'