Fukiyo is my best friend.

Fukiho is my best friend.

Happiness is a mass noun, you can't count it.

She had a quiet and modest beauty, like a scentless flower.

His robot caused the phenomenon of the uncanny valley.

The impact of the unequal treaty is still deeply rooted in our society.

This mask is made of non-woven cloth.

He is a bungler, so he is not good at detailed work.

I'm troubled by his lack of seriousness.

He has an unserious attitude towards his work.