When I hear that song, old memories come to mind.

This was truly an unexpected result.

I am surprised by this unexpected event.

Detailed information is needed to understand the nature of that project.

I was moved by his sincerity.

His nature is very kind.

His nature is very kind.

Gender identity refers to the gender that each individual recognizes themselves as.

Believing that failure is a stepping stone to success, he challenged again.

Believing that failure leads to success, he continued to challenge himself over and over again.