帮帮忙翻译一段英文。英语专业的帮帮忙！！！急！！！

In the class, when students loud, always hear a "SH" sound, meaning is to let you to be quiet. In the beginning will have effect, but time is long can let a person feel disgusted, especially some of "SH" sound is very long. When I'm thinking about problems, which makes my train of thought was interrupted and had to stop. Also, don't know why, the sound or one after another, which can make the person's mood become irritable, in my opinion, is also a kind of noise.

in the classroom ,when students are too noisy ,they always hear a "sh" sound,which means they should be quiet. It will work at the very first time. as time goes by ,people will feel it annoying,especially when the "sh" sound lasts a long time. If i am thinking about a problem, it will disturb me ,and i have to quit. Hence , i don't know why ,the continous sound of this kind makes people annoyed.as for me ,this is sort of noise,too.

有段翻译明显是机器翻的，另一篇很专业