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

He was anxious about starting a new business, but I encouraged him by saying, 'Even a journey of a thousand miles begins with a single step.'

Ogura Hyakunin Isshu is one of the classical literatures of Japan.

Mr. Okuda is an insurance sales representative.

She brought up her child alone.

My younger brother is attending a middle education school.

His success is an example of the proverb 'one general achieves success at the cost of ten thousand bones'.

The single point of red in the sea of green in the park was her red dress.

The encounter with him can be said to be 'the events of today are destined by the past.'

He achieved great success in his business, but as the proverb 'A thousand gold pieces' fur is not from one fox's armpit' suggests, it was not something he obtained overnight.