Mòfēi dìnglǜ: huì chūcuò de shì yīdìng huì chūcuò.
Murphy's Law: anything that can go wrong, will go wrong.
Tips
memory
Sound-out: 墨 for 'Mur-' (with the r-colored vowel), 非 for '-phy'. The standard mainland spelling is actually 墨菲, which is more common in published material; 墨非 is a variant seen in subtitles and older translations.
culture
The most famous bearer is the apocryphal engineer behind 墨菲定律 ('Murphy's Law'). Also the surname of Cillian Murphy (Oscar-winning actor of Oppenheimer and Peaky Blinders) and Eddie Murphy (the comedian).
