I will attend his birthday celebration today.

He is a strong and unshakeable person like a rock.

Iwao is my best friend.

He is my brother, I mean, my younger brother.

He threw a difficult question at me.

His running was fast.

Mr. Shimabukuro is my best friend.

This tea is at just the right temperature, slightly lukewarm.

My father is fifty years old.

He is fifty years old and still full of energy.