[countable] an official statement of what may, must or must not be done in a particular situation规则；规章；规定◆It's against company rules to smoke in offices.在办公室吸烟有违公司规定。◆the rules and regulations concerning safety equipment关于安全设备的规章条例◆The deal was unusual, but didn't break any rules.这一协议十分不寻常，但并不违反任何规定。⨁to establish / make / set rules制订规则 ⨁ to follow / obey / observe the rules遵守规则 ⨁ to breach / break / violate a rule违反规则 a measuring instrument with a straight edge尺子；直尺a thin straight line that has been drawn or printed细直线◆Draw a rule under the table of figures.在数字表格下方画一条直线。a statement of what you are advised to do in a particular situation建议；应做之事◆There are no hard and fast rules (= fixed rules) for successful presentations.成功的演示没有一定之规。◆The first rule is to make eye contact with your customer.首先要做的是与你的顾客有目光的接触。 ●bend/stretch the ˈrulesto change the rules to suit a particular person or situation通融；根据具体情况改变规则●the rules of the ˈgamethe standards of behaviour that most people accept or that actually operate in a particular area of life or business游戏规则；共同行为准则  ➡  idiom at play verb, play verb, work verb 80/20 rule work-to-rule