He excels in the ability to command English.

He made excellent use of that opportunity to fully demonstrate his abilities.

He was fulfilling his role as a governor.

As his name suggests, Gou is a very sturdy person.

Shingo is my best friend.

All his words were completely unified.

His mansion is truly magnificent.

He said 'thank you'.

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

A diaeresis is used to change the pronunciation of vowels.