1. collusion /kəˈlu:ʒən/

-- (literally, "playing together") secret agreement for a fraudulent purpose; conspiracy; plot

It was not known whether the price increases resulted from higher costs or from collusion among the producers.

不知道价格的上涨是由于成本的提高，还是制造者之间的勾结。

 

 

2. concord /ˈkɔnˌkɔ:d/

-- state of being together in heart or mind; agreement; harmony

Neighbors cannot live in concord if their children keep fighting with one another.

如果孩子们总是打来打去的，邻居间就无法和谐相处。

 

 

3. coalesce /ˌkəʊəˈles/

-- grow together; unite into one; combine

During the Revolution War, the thirteen colonies coalesced into one nation.

独立战争期间，13个殖民地联合成一个国家。

 

 

4. collaborate /kəˈlæbəˌreɪt/

-- work together 

Tom is collaborating on the work with his friend. 

汤姆与他的朋友一起干那件工作。

 

 

5. convene /kənˈvi:n/

-- come together in a body; meet; assemble

The House and the Senate will convene at noon to hear an address by the President.

众议院与参议院将在中午集合，听总统发表演说。

 

 

6. correspond /ˌkɔrisˈpɔnd/

-- (literally, "answer together") agree; be in harmony; match; tally

Jack's account of how the fight started did not correspond with the other boy's version. 

杰克对打架起因的描述与另外一个男孩的说法不符。

 

 

7. coherent /kəuˈhiərənt/

-- sticking together; logically connected

In coherent writing, every sentence is contected in thought to the previous sentence.

在有条理的写作中，每个句子在意思上都与上一个句子相联系。

 

 

8. congenital /kənˈdʒenɪtl /

-- （literally, "born with") existing at birth; inborn

Helen Keller's deafness and blindness were not congenital defects but were acquired after birth.

海伦·凯勒的聋与盲不是先天的缺陷，而是后天造成的。