张宝全的回答：

enthusiasm 英 [?n'θju?zi?z?m] 　 ? 美 [?n'θu?zi?z?m] 　 n.热情；热心；热衷的事物 用作名词 (n.) His refusal iced our enthusiasm. 他的拒绝浇熄了我们的热情。 She seemed lacking in enthusiasm when we were talking about that film. 我们谈论那部电影时,她看来好像没多大热情。