rule，regulation，regular，ordination，codex ；
[例句] 少数官员准备篡改规则。 A minority of officers were prepared to bend the rules.
[例句] 规则要求样本必须装在两个水密容器中。 The rules state that samples must be enclosed in two watertight containers.
irregular，inordinance，abnormity，anomaly ；
[例句] 在这个形状不规则的湖泊的湖心以外的地方有一眼喷泉。 Located off-center in the irregularly shaped lake was a fountain.
[例句] 不规则动词 a verb with an irregular conjugation
norm，standard，criterion，rule，guide line ；
[例句] 该报违反了保护隐私的行为准则。 The newspaper breached the code of conduct on privacy.
[例句] 道格拉斯藐视重量级拳王称号的行为违背了严格的准则。 In showing contempt for the heavyweight championship Douglas offended a stern code.
rule，law，principle，theorem ；
[例句] 丛林法则要求的是：杀戮或者被杀。 The law of the jungle demands: kill or be killed.
[例句] 不可改变的宇宙法则 the unalterable laws of the universe
principle，fundamental，principia，tenet ；
[例句] 非暴力和忍耐是他们的信仰的核心原则。 Non-violence and patience are the central tenets of their faith.
[例句] 对工人的裁员原则是“后进先出”。 Workers will go on a "last in, first out" basis.
otherwise，if not，or else ；
[例句] 除非是直接被击中，否则这个地下掩体是非常安全的。 The dug-outs were secure from everything but a direct hit.
[例句] 千万不要迫使双腿过度拉伸，否则会受伤的。 Never force your legs to overstretch, or you can cause injuries.
rules，regulations ；
[例句] 我们张贴了一份房屋生活守则。 We post up a set of rules for the house.
[例句] 衣着不要太特别,这是一条守则. The rule is to avoid extreme clothes.
actually，in fact，in reality ；
[例句] 它们看上去有益健康，实则掩盖了其为精加工食品这一事实。 Their healthy image disguises the fact that they are highly processed foods.
[例句] 他接手工会领导职务,看似风光,实则会给他带来很多麻烦. He inherited a poisoned chalice when he took over the job as union leader.
item ；
[例句] 关于她与特德的问题，有一则非常片面的报道。 There has been a very one-sided account of her problems with Ted.
[例句] 帕里什小姐最近在本埠报纸上登了一则广告。 Miss Parrish recently placed an advertisement in the local news-paper.
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[例句] 许多问题是源于对规则的限制. A lot of problems stem from the limitation of rules.
[例句] 但公司的动力并非完全是源于对规则的忧虑. But companies are not driven purely by fear of regulation.
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[例句] 规定语法考虑的问题是如何为正确使用制定规范或规则. Prescriptive grammar is concerned with norms of or rules for correct usage.
[例句] 接着, 要确定产生那个信息的算法或规则. Next, the algorithms, or rules, for generating that information are specified.
metarule，hyper-rule ；
biregular ；
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