| 1. | You can not lay down hard and fast rules .
规则不能定得太严太死。 |
| 2. | There is no hard and fast rule about dilution .
至于稀释程度，没有严格的规定。 |
| 3. | It is not possible to lay down any hard and fast rule about the output or input of any given date .
要订出关于任何特定日期的出产或进货的任何硬性及固定的法则是不可能的。 |
| 4. | This is not a hard and fast rule
但这并不是一个牢靠不变的规则。 |
| 5. | There are no hard and fast rules
当然这个是没有任何硬性规定的。 |
| 6. | You can ' t lay down hard and fast rules
规则不能定得太严太死 |
| 7. | We must make it a hard and fast rule against smoking in the office
我们必须严格规定：办公室里不准吸烟。 |
| 8. | In our workshop there is a hard and fast rule against smoking
我们车间有严格的规定，不许吸烟。 （或：我们车间严禁吸烟。 ） |
| 9. | Generally speaking , hard and fast rules like " avoid strcpy " and " never use gets " are close to the mark
它的目的是确保所用信息在未受破坏的状态下被发送和计算。 |
| 10. | For the developer , this is often more a general state of mind rather than a set of hard and fast rules
对开发人员而言，通常这更多的是一种通用思想而不是一套一成不变的规则。 |
