noun
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关於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。
