unwritten rule

常见例句

This bloke was breaking the unwritten rules for men.
这个家伙打破了男人们应该遵守的不成文规则。
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Luckily, I had a mentor who helped me figure out the unwritten rules.
幸运的是，我找到了一位导师，帮助我理解了那些不成文的游戏规则。
Don’t think too hard about unwritten rules like ‘ oh I went on a date so now I wont contact him for 3 – 4 days’ If it went well contact the person the day after!!!
不要有一些不成文的规定，诸如“哦，我和他约会了，那么现在我将会3 4天不和他联系”如果约会顺利的话后天就和对方联系！！！

When almost everyone obeys unwritten rules, little attention needs to be paid to the written ones.
ECONOMIST: Suddenly, shareholders are beginning to matter
The collision of WBC rules and the unwritten rules of the game led to the blowup, Renteria said.
NPR: Fierce Brawl Mars Canada's 10-3 Win Over Mexico
This unusual economy is regulated by a set of unwritten rules, according to Eric Raymond, its leading intellectual light.
ECONOMIST: Computer programming