汉译英，帮忙翻译一段话

Question

MIKE是世界著名的医生，为病人进行了无数场手术，并且大部分都成功了。但是两年前有一场手术，使他毕生难忘，他说，这是他一生中最艰难的一次手术。其实这场手术在别人看来是非常普通的，但对于MIKE却是十分困难，因为这位患者是他的8岁的女儿。

翻译上面那段话，我要人工翻译，不要机械翻译

Answer 1

Mike is a world famous doctor. He has participated numerous operations and most of them were successful. There was this operation about two years ago which he would never foget. He said it was the toughest operation he had ever done. The operation might be quite common to others but it was especially tough to Mike, because the patient was his 8-year-old daughter.

Answer 2

MIKE is a world famous doctor, the patient had numerous field operations, and the most successful. But two years ago there was a surgery so that he will never forget, he said, this is the most difficult of his life an operation. In fact, this operation appears to be very common in others, but it is very difficult for the MIKE, because the patient was his 8-year-old daughter.

Answer 3

Mike is a famous doctor in the world, operating for countless patients and most of all succeeded. But there was a surgery two years ago, which made him unforgettable. He said this was the most difficult time for surgery in his life. In fact, the operation is very usual for others, but it is not for Mike, for the patient was his 8-year-old daughter.

Answer 4

Mike is a famous doctor in the world.He has operated on many patients,and mostly are successful.But there is an operation that he will never forget two years ago.He said it was the hardest operation in his life.In fact,it was a commom case in other people's eyes.But it's really hard to Mike beacause the patient is his 8-year-old daughter.
嘿嘿..见笑..