You are furious at her, aren't you?

furious
激怒した、怒り狂った、逆上した、憤慨した
猛烈な、激しい、すさまじい

Mark was furious when he found out his son had quit college without telling him. 
息子がこっそり大学を辞めていたことを知って、マークは激怒しました。

You are furious at her, aren't you? 
あなた彼女に激怒してるでしょ？

You've been furious at my saying this. 
私がこう言うのに腹を立ててたね。

I was really furious at what the lawyer said. 
私は、弁護士が言ったことに怒り狂った。