What is the local specialty here?

He practiced the proverb 'to keep a secret when asked about it' in order to protect the secret.

The effect of this medicine is to alleviate the symptoms of a cold.

Tadazane is my best friend.

It's difficult to understand his inner thoughts.

He fell into deep thought.

The road caved in due to the earthquake.

His new song is very moving.

My father started a trout farming business.

Oganesson is the last element in the periodic table.