例句：
You don't sound very enthusiastic.
你听起来不是很热情。
Not all nations are so enthusiastic.
并非所有国家都这么热情。
He's always been very enthusiastic about sports.
他对体育运动一直很有热情。
She was hurt by the coldness in his voice.
他说话的冷漠语气让她很伤心。
She complained about the coldness of his hands.
她抱怨他的那双手冷冰冰的.。
She requited his love with coldness.
她对他的爱报以冷淡态度。