He is an expert in dialectology, studying dialects from all over Japan.

Everyone was surprised by the news.

Who would want this product, seriously?

It's difficult to understand the movement of the great stag in shogi.

He is an expert in nuclear physics.

He is a recent graduate this year and is still not used to work.

We need mutual understanding.

Weaning a baby is a big step for parents as well.

The baby has finally been weaned.

He is an expert in medicine.