He found out the truth and was surprised.

He is really knowledgeable and always teaches us new information.

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.

His talent is one and only.

You, what are you doing?

That person is my friend.

They (referring to women or girls) are my best friends.

It is important for each person to fulfill their role.

He lost everything.

She is planning a date with her current boyfriend.