He is an expert in Classical Chinese text studies, and is good at interpreting ancient Chinese literature.

He is majoring in philology at university.

He is a specialist in that field.

He is majoring in Sinology at university.

The interpretation of his poetry varies from person to person.

He is good at interpreting the poem.

He is looking for literature on that theme.

He smiled triumphantly.

His strong point is mathematics.

His specialty is physics.