They ruin it for everybody.
真是害群之马
And you had to ruin it for him, didn't you?
还有你,你非得替他毁掉这事,是不是?
tear up 撕成碎片
Few expect to tear up their rulebooks.
几乎没有人有撕毁自己规则手册的打算。
I suggest that you tear up the composition and start over again.
我建议你把这篇作文撕掉,再从头开始写。
n. 作文,著作,组织,合成物,成份