例句：吉米是班里的老鼠屎，我希望今年不用作他的老师。

Example: : Jimmy is the rotten apple that spoils the barrel in my class, I wish I didn't have to be his teacher all year.

F 4成员朱孝天在自己的微博中表示，F4难以重聚的原因是“有一颗老鼠屎在”。

F4's Ken Chu wrote on his Sina Weibo micro blog the reunion would not take place because of a "mouse shit".

我爸爸妈妈对和我一起出去的朋友也很挑剔，并常引用格言说：“一颗老鼠屎坏了一锅粥。”

My mom and dad were also very particular about the friends I went out with, always quoting the maxim the "one rotten apple could ruin a whole barrel of apples."

善良是我们的本性，我们不能因为一些社会的垃圾而放弃了自己的本性，不能让一颗老鼠屎坏了一锅粥啊。

Kindness is our nature, we can't because of some social garbage give up her own nature, can't let one bad rat excrement explode!

他在世行内部调查部门的最新报告中写道：“甚至很少数的个人的行为也能使整个组织的声誉遭到玷污(一颗老鼠屎坏了一锅汤)。”

The "actions of even a very small number of individuals can tarnish the reputation of an entire organisation," he wrote in the latest report of the bank's internal investigations unit.