My previous job was a teacher.

This wood may spontaneously combust if the humidity is high.

His car spontaneously combusted all of a sudden.

Natural rights are rights that humans have from birth.

Last month, I moved to Tokyo.

I finished reading the complete translation of this book.

He completely translated the book.

He wanted to return to his previous life.

The reason for his success is clear.

He was able to surpass the achievements of his predecessor.