His future is uncertain.

His actions are uncertain, and I have no idea what he's thinking.

Please open the lid and take a look inside.

This cover illustration is very beautiful, isn't it?

He spoke only two words in Japanese.

My savings is two hundred dollars.

He put a cover on the table.

That problem is incidental to his new job.

The building has secondary facilities such as a library and a cafe.

His unwavering determination became the power to overcome all difficulties.