He likes to take a walk in the park at dusk.

He blushed with shame.

He understands the meaning of the proverb 'Teaching is half learning', which means that teaching leads to one's own learning.

This is my first trip to Japan.

He is studying late into the night to learn a new computer language.

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.