He tells them the stiff penalties for any violation of the base security rules, as well as for the use of illegaldrugs, fighting, misuse of firearms and so on.

违反基地规则将受到严厉的惩罚。 至于打架、吸毒、违章使用武器之类的事情我就不想多说了 你们都清楚的。

youdao

RCC lean concrete is one kind of super-stiff concrete, and there are only a few engineering examples in which it applied to the pavement base in domestic.

碾压贫混凝土是一种超干硬性混凝土，在国内，其应用于路面基层的工程实例较少。

youdao

New cars are subject to a stiff tax ranging from 40% to 60% of the base price, a surcharge imposed by the local government to discourage road-system gridlock.

CNN: The Really Useful Guide