He explained the concept using a parable.

He is studying the ancient Tang language.

She loves reading fairy tales.

He broke the ice by starting a conversation to break the awkward silence.

I always enjoy gossiping with her.

She always likes gossip, and gets excited when she knows someone's secret.

He found a spiral-shaped shellfish on the beach.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

Please go in that direction.

This problem cannot be solved unless both sides cooperate.