We should reduce our energy consumption.

His poem is like a beautiful metaphor.

The ratification of this treaty requires the approval of the Diet.

In the phonetics of ancient Chinese, the four tones, 'hyoujoukyonyuu', played an important role.

I believe that the coming days will surely be bright.

He quoted an old Japanese poem like 'hisaku'.

The volume ratio of this container is 1:2.

He was calculating using an abacus.

The victims of this area need support.

When I opened the window, the wind was blowing with a 'hyu hyu' sound.