He stepped into the forbidden territory.

That act is absolutely forbidden.

This Kintsuba is made using boiled red bean paste.

When the interest rate rises, the repayment amount of the loan increases.

This product is a prepayment system.

He used a forbidden move in chess.

I sent a message to my friend using a telegram.

He is behaving like a nouveau riche.

She was overjoyed to hear of his success.

He rejoiced when he heard the news of his promotion.