Naohiro is my best friend.

He wrote his name using the character for 'work'.

His attack was very powerful.

Kou is always tackling everything with a high-spirited attitude.

Kira is always shining brightly.

Where is the lid for this pot?

This chemical reaction is in equilibrium.

His success is an example of the proverb 'one general achieves success at the cost of ten thousand bones'.

This software maintains backward compatibility.

He is an expert in ethology, and his research is highly regarded worldwide.