30.be critical of 爱挑毛病的，批评的
31. cure sb. of+某种疾病 治好某人的疾病
32.a danger to对…的危险; be in danger(of)处于…危险中; be out of danger脱离危险
33. to date(=so far, until now) 到目前为止
34. 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)
35. deal with (=concern) 论及
36. be in debt to sb. 欠…的债
37. on the decline 在衰退中, 在减少中
in decline 下降; on the increase 在增加
38. 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;
39. delight in(=take great pleasure in doing sth.)喜欢, 取乐
40. take (a) delight in 喜欢干…, 以…为乐
41. demand sth. of sb. 向某人要求(非物质的)东西. demand sth. from sb. 向某人要求(物质的)东西
42.in demand有需求;on demand受到要求时