He went through great hardship to complete the project.

He experienced great hardship to complete the project.

He is majoring in psychology at university.

I will go to the hospital for a medical examination and treatment today.

The invaders took away our peace.

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

Learning Modern English is important for smooth international communication.

He is interested in the study of constructed languages.

He is an expert in sociolinguistics.

I am very interested in sociolinguistics.