This is a once-in-a-lifetime opportunity.

He told me the whole story of the incident.

A day without seeing her feels like an eternity of waiting impatiently.

This graph is apparent at a glance, showing that sales are increasing.

I think his advice is worth a thousand gold per word.

His hobby is underwater photography.

World War I was a large-scale war that lasted from 1914 to 1918.

He has always walked the path of sincerity.

Let's cherish every encounter with the spirit of 'once in a lifetime'.

He was reading a book in his room all day.