热情、激情和热心在口语里用的多些。热忱在书面上有的多些。
热情(Passion),participate in activities or treatment that has shown others the warm, positive, active, friendly feeling or attitude.
激情(Enthusiasm),Meant to form a strong emotional expression. like 热情,but more severe degree。
热心(enthusiasm,warmheated),Describe a person who is very passion, like to help others.
热忱(zealousness),Support the objectives of a person or a feeling of immediate excitement。