41. consent to sth 同意  如：

Her parents refused their consent to the marriage.
她的父母不答应这门婚事。
His consent to your proposal speaks volumes for his good will.
他赞成你的提议充分证明他的友善。

42. contact with sb/sth 接触，联系  如：　

No, I have no contact with her.
没有，我和她没有一点儿联系。
Always maintain eye contact with the interviewer.
和雇主要一直保持目光接触。

43. contest for sth 争夺，竞争  如：　

a contest for the top job in the union
为争取协会的最高职位而进行的角逐
He come second in the contest for deputy leader.
在角逐副领导人时，他居第二位。

44. contradiction between 矛盾，不一致  如：　

There seems to be a contradiction between her word and action.
她的言行似乎不一致。
There is no fundamental contradiction between socialism and a market economy.
社会主义和市场经济之间不存在根本矛盾。

45. contribution to 贡献，捐献，促成  如：　

Einstein make a great contribution to science.
爱因斯坦对科学作出了伟大的贡献。
She makes a big contribution to modern sculpture.
她对现代雕塑有很大贡献。

46. conversation with sb 对话  如：　

Did you have a conversation with him?
你和他谈过话了吗？
I struck up a conversation with this old woman in the shop.
我在商店里与这位老妇人攀谈起来。

47. danger to sb/sth 危险  如：　

Smoking is a danger to health.
吸烟对健康有害。 
He is a danger to society.
他对社会是个威胁。

48. credit for sth 荣誉，赞扬  如：

He got all the credit for the discovery.
这一发现全都归功于他了。

49. damage to sth 损坏  如：

bird and mammal damage to forest
森林鸟兽害

st to/with sth 对比，对照  如：

In contrast with their system, ours seems very old-fashioned.
我们的制度与他们的相比，显得过于守旧了。