Murphy's Law ------ 墨非定律（凡是可能出错的地方都会出错）

英文释义

The pragmatic observation that if something can go wrong, it probably will go wrong.

例句

Many prudent engineers believe in the validity of Murphy's Law, and therefore plan for unexpected malfunctions, disasters, and other unforeseen problems.

很多谨慎的工程师都相信墨非定律有效，因此为意外的故障、灾难等无法预知的问题做规划。