请问这句话怎么翻译成英文

An unfortunate incident happened. A classmate suddenly fell down, and brought down several classmates. What's worse, the cloth originally closely tied to the leg was unexpectedly loosened. My heart was beating quickly. Fortunately another class also had an accident. The classmates were not panic. They hastily tied up the cloth, stood in a queue again, and set out with orderly and loud slogans.

辛苦啊~
仅作参考~

An unfortunate incident, a classmate suddenly fell down, and bring down several classmates. Worse, originally closely tied to the leg cloth unexpectedly fell down. My heart to the suspension in my mouth. Fortunately another class also had an accident. The classmates didn't panic, hastily tying to stand still twist in tidy rotund, set out in hot slogans shouted.

我是英语老师，你看我给你翻的怎样
Unfortunately, things happened, a student suddenly fell down, and down with several students. To make matters worse, the original closely tied to the legs of the cloth actually fell off. My heart about hanging to the throat. Luckily the second room is an accident. Students did not panic, hastily tied strips of cloth, standing a good team, the slogan of the entire Qi Hongliang sound off.
满意吗/