[guī zé]
（规定的制度或章程） rule; regulation; ordination; prescribed procedure; rope
a swimming pool's regulations
游泳规则
traffic regulations
交通规则
follow the procedures
遵守规则
infringe rules
违反规则
rules of spelling
拼写规则
There is no rule without an exception.
有规则必有例外。
There is no cast-iron [fixed] rule.
没有一成不变的规则。
（整齐） regular
The course of this river used to be quite irregular.
这条河流的水道原来很不规则。
The buildings in this area are laid out in an orderly fashion.
这一片建筑物的布局十分规则。