For example:
Our boss is sure onetough cookie. If you don't work hard, he'll fire you from your job in a minute. The good thing is that he's fair-minded; do good work and he'll pay you top wages.
我们的老板是一个非常严格的人。要是你不努力工作，他会马上解雇你。不过他很公正，要是你工作有成绩，他会给你很高的工资。