换句话说，他认为这是规则的一个例外。

In other words, he figured it was an exception to the rule.

youdao

一般认为，腕表是男士珠宝演变过程中正常序列的一个例外。

It is generally believed that wrist watches are an exception to the normal sequence in the evolution of men's jewelry.

youdao

本条规则是上述要求不在此阶段设置中介属性的那条规则的一个例外。

This rule is an exception to the above rule of not setting mediation properties during this phase.

youdao

There are some exceptions, which we'll get to later, but the only a big exception here is with hydrogen, which has a special stability that's associated with two electrons.

但也有一些例外我们将以后再讲，但这里只有一个较大的例外，氢，它的稳定性比较特殊，只需要两个电子。

麻省理工公开课 - 化学原理课程节选

But what I'm going to tell you already is this is a case where, in fact, it's an exception to the idea that the lowest energy structure has the lowest ionization energy in the middle, and we can figure this out when we look at formal charge.

但是我已经告诉大家这个例子，实际上，是中心原子电离能最低的结构,的能量最低这一思路的一个例外，我们可以通过形式电荷看出这一点。

麻省理工公开课 - 化学原理课程节选

With one exception, I won't be spending very much time talking about the readings.

但是有一个例外，我不会花很多时间讨论阅读材料的内容。

耶鲁公开课 - 死亡课程节选