Mr. Tsuchibashi is my best friend.

He had a smug look on his face after he succeeded.

I heard a sound that went 'doa'.

This old house still has an earthen floor.

I used dodecene in an organic chemistry experiment.

Let's meet again at the same place.

He received a stern scolding from his father.

The underground water in this area is very clean and is used as drinking water.

He returned the sword to its sheath.

We spent the night at that lodging.