His health condition has been improving slowly but steadily.

He made a firm promise to meet me tomorrow.

We are planning to expand our business.

She personifies nature and treats it like a friend.

He personified nature and called it Mother Earth.

His personality is very attractive.

The success of this project is largely due to the proportion of effort from team members.

When he plays tennis, he always pays attention to bending his wrist.

I made a special warishita (Japanese sauce usually made of sake) for tonight's dinner.

The success ratio of this project is 70%.