All of us must obey the traffic rule.

所有人都应该遵守交通法规。

Our teacher always asks us to obey traffic rule.

我们的老师总是要求我们要遵守交通规则。

The result of going against the traffic rule is serious.

违反交通规则的后果是很严重的。

I think it's reasonable to this issue, no matter how strict the traffic rule is.

对于酒驾这个问题，我认为不管多严格的规定都是合理的。

You should understand the traffic rule by now. You've had it explained often enough.

到如今你应该明白交通规则了。你已经得到足够的解释了。