We arrived in Tokyo at 6 p.m.

Where is the polling station?

I am waiting for his arrival.

The concept of chemical equivalent is essential for understanding chemical reactions.

He is good at speaking in Tōhoku dialect.

Understanding geometric series is important for understanding mathematics.

He put on his combat uniform and headed for enemy territory.

He obtained the legendary Ten-hands Longsword.

He started learning a combat sport.

He finished reading the book in one sitting.