英语翻译，急！！

翻译下面一段文字，不可用网站翻译器，要人工翻译，要初中水平。

Tony和Bob是好朋友，他们是17岁的中学生。在2009年7月21日晚上，他们在散步时，看见三个年轻人正在

殴打一个司机，为了帮助司机，而受重伤。
虽然他们很勇敢，但是我觉得遇到这些事情，应该通知警察。

Tony and Bob are good friends, they are 17-year-old secondary school students. In the July 21, 2009 evening, they walk, he saw three young people are
Beaten by a driver, in order to help the driver, while the seriously injured.
Although they are very brave, but I think that encounter these things, should inform the police.

Tony and Bob are good friends.They are 17 and they are middle school student.On the night on 2009.7.21,when they were walking,they saw three young man were hitting a driver.They helped the driver but they were badly hurt.Though they were brave,but I think we should call the police when see that thing.

tony and bob is a good friend, they are 17 years old and they are secondary students. In the night of 21st of July, 2009, when they were walking, they saw 3 teenagebashing a driver, they are hurt badly from helping the driver. Although ther were brave, but I think when this things happens, called the police is the best thing to do

Tony and Bob are good friends.They both are 17-year-old junior high students.In the evening on July 21st,2009,when they were walking,they saw three young people beating a driver.In order to help the driver,they were baddly injuried.

They were very brave,but I think we should call the police when coming across these events.

Tony and Bob are good friends, they are 17 years old students. In 2009 July 21st at night, they were walking, saw three young men are beating a driver, in order to help the driver,so seriously injured. Although they are brave, but I think these things, should inform the police.

Tony and Bob are good friends. They are 17-year-old students.

When they went out for a walk on June 21st 2009 evening, they saw three young man were hitting a driver. They were badly injured in order to help the driver.

Although they are very brave, I think they'd better inform the policeman when it happened.