请将下面七句话翻译成英文，请尽可能精确，尽量不要有语法错误，谢谢啦~

1.There's no evidence to prove that he is the murder.
2.All the citizens of the country are extremely disappointed at men's football.
3.Harvard University awards him the PhD of philosophy.
4. The gangsters promise to release 4 hostages from the room.
5.Although this coat is very expensive, he bought it.
6.Because of careless,he got a failure in his final exam.
7.English enables us to communicate with foreigners.

自己翻译的，希望对你有所帮助！

1, there is no evidence that he is the murderer. 2, the performance of people across the country very disappointed soccer 3, Harvard University awarded him his PhD 4, criminals promised to release four hostages from the room 5, although it is very expensive coat, he bought 6, due to carelessness, He failed a final exam 7, English enables us to communicate with foreigners

1, there is no evidence that he is the murderer.
2, the performance of footballmen disappointed people across the country
3, Harvard University awarded him as PhD .
4, Criminals promised to release four hostages from the room .
5, Although, it is a very expensive coat, he bought it.
6, Due to carelessness, He failed the final exam.
7, English helps us to communicate with foreigners.

您好，翻译为：
There is no evidence to prove that he is the murder.
The whole nation is very disappoint at the football team for their performance.
Harvard university awarded him his PhD.
The criminal promised to release four hostages from the room.
He decided to buy it even it was very expensive.
He did not pass the final examination cos of his carelessness.
English enables us to communicate with foreigners.

1, no evidence that he was the killer. 2, the people of soccer behaved very disappointed 3, Harvard University awarded him a Ph.D. 4, criminals promised to release from room four hostage 5, although this coat is very expensive, he still has bought 6, due to carelessness, he failed in the final exam 7, English can make us to communicate with foreigner

There was no evidence that he was the killer

The national people's to soccer behaved very disappointed

Harvard University awarded him a doctor's degree in philosophy

Gunmen promised to release from room four hostages

Although this coat is very expensive, he still bought it

Due to carelessness, he failed in the final exam

English can make us to communicate with foreigner