unwritten law

基本解釋

But is an unwritten law that even the sternest Tramp Majors do not search below the knee, and in the end only one man was caught.
好在即使是最刻薄的收容站站長(zhǎng)也不會(huì)搜查膝蓋以下的部位，這算是一條不成文的規(guī)矩吧。
It is an unwritten law that they must never fall, says Friederike Hauffe, who teaches a course in art marketing atBerlin's Free University.
弗里德里克哈菲表示有一條不成文的規(guī)則，即經(jīng)銷(xiāo)商不能失敗，哈菲在柏林的一家自由大學(xué)教授藝術(shù)市場(chǎng)課程。
Contrary to every unwritten law of fashion, Armani's overriding aesthetic has remained consistent: minimalist sophistication and casual chic.
與時(shí)裝界所有不成文的規(guī)則背道而馳，阿瑪尼首要的審美觀點(diǎn)始終不變：化繁為簡(jiǎn)，去浮存真，看似漫不經(jīng)心，其實(shí)優(yōu)雅非凡。

That was the unwritten law.
FORBES: Are Clients Becoming More Creative Than Agencies?
Rather, it is an expression of traditional law, which is usually unwritten, unpredictable and dependent on the chief's whim.
ECONOMIST: No title

the law based upon custom, usage, and judicial decisions, as distinguished from the enactments of a legislature, orders or decrees in writing, etc

習(xí)慣法
The first chapter is about the succession marriage in the unwritten law.
第一章是習(xí)慣法中的收繼婚。
不成文法律
不成文法