Usage patterns
〈事〉に情熱を注ぐto pour one's passion into something
He pours his passion into music.
情熱を持つto have passion (for something)
She has a strong passion for her work.
情熱が冷めるfor one's passion to cool down/fade
Sometimes passion fades as time goes by.
〈事〉に情熱を燃やすto burn with passion for something
He burns with passion for his research.