求翻译：然而，他并不是十分熟练对于使用从学校借来的摄像机。我们有很多拍摄素材都因为画面摇动和对焦不准确而无法使用。但他努力学习如何控制它们，只是效果并不大。是什么意思？

However, he is not very skilled camera borrowed from the school. We have a lot of film material can not use the screen to shake and the focus is not accurate. But he worked hard to learn how to control them, but the effect is not large.

However, he is not a perfect 10 for use in schools to take advantage of the camera. We have many pictures because pictures rock material and focus are not accurate and cannot be used. However, he was trying to learn how to control them, and it is only effect is small.

However, he is not extremely skilled regarding the use the camera which borrows from the school.We have the very many photography source material all inaccurate are unable because of the picture undulation and focusing to use.How but does he study diligently controls them, only is the effect is not

However, he is not very good for cameras that use borrowed from the school. We have a lot of shooting the footage could not be used because the screen shakes and focusing inaccurate. But his efforts to learn how to control them, but is not.

正在翻译，请等待...