177. on the decline 在衰退中, 在减少中　in decline 下降; on the increase 在增加　­

176. be in debt to sb. 欠…的债　­

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175. deal with (=concern) 论及　­

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)　­

173. to date(=so far, until now) 到目前为止　­

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　­

171. cure sb. of+某种疾病 治好某人的疾病　­

170．be critical of 爱挑毛病的，批评的　­

169. on credit赊购; with credit以优异成绩; to one’s credit使某人感到光荣; do sb. credit 使…感到光荣　­

168. in due course (=without too much delay) 没经过太久, 到一定时候　­