172.a danger to对…的危险; be in danger(of)处于…危险中; be out of danger脱离危险
173. to date(=so far, until now) 到目前为止
174. out of date过时的;up to date新式的,时兴的; date back to可追溯到; date from从某时期开始(有)
175. deal with (=concern) 论及
176. be in debt to sb. 欠…的债
177. on the decline 在衰退中, 在减少中 in decline 下降; on the increase 在增加
178. to one’s delight 令某人感到高兴 to one’s regret 遗憾; sorrow悲痛; relief 安心; distress 苦恼; shame羞愧; surprise 惊奇; astonishment 惊奇;
179. delight in(=take great pleasure in doing sth.)喜欢, 取乐
180. take (a) delight in 喜欢干…, 以…为乐
