He has crossed that border.

He found out the truth and was surprised.

He is really knowledgeable and always teaches us new information.

She is a famous fashion model.

She is working hard to participate in a fashion show in New York.

She dreams of becoming a famous fashion designer.

He works at a fashion health club.

She loves Lolita fashion and wears a different dress every day.

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.

She wants to become a famous fashion designer.