Keijiro is my best friend.

He was working abroad for twelve months.

He chose to serve a second master by working hard.

I learned the meaning of 'ichi ni ten' in the classical Japanese class.

I accidentally dropped the eye drops from the second floor.

He trains his biceps at the gym every day.

His speech was full of hendiadys expressions, which captivated the listeners.

Our project is scheduled to be completed on the twentieth day of the month.

The Triassic period is one of the geological ages, referring to the period from about 252 million years ago to about 251 million years ago.

He was affected by secondary effects.