involved作前置定语和后置定语时，其含义是不同的：
1. involved作前置定语含义：很投入的；复杂的
He's a very involved father (= he spends a lot of time with his children) .
他是个很投入的父亲。
He could not fully understand involved scholarly lectures.
他不能完全听懂复杂的学术报告。
It is considered that thermodynamics is an involved subject.
人们认为热力学是一门复杂的学科。
This is a very involved problem.
这是一个很复杂的问题。
The problem involved is basically simple.
所涉及到的问题从根本上说是很简单的。
2.involved作后置定语含义：所涉及到的，有关的
The sums of money involved are potentially huge.
涉及的金额可能很大。
She's very conscious of the problems involved.
她完全意识到了所涉及的问题。
We need a clear understanding of the problems involved.
我们需要了解清楚所涉及的各种问题。
He tends to take a sanguine view of the problems involved.
他对涉及的问题持乐观态度。
We'll make our decision and contact the people involved.
我们将作出决定，再与有关人员联系。
The outcome of the court case was disappointing for the family involved.
诉讼案的结果使得涉及本案的这家人非常失望。
Treatment depends on the individual involved.
治疗方式因人而异。
The new house really wasn't worth all the expense involved.
这座新房子确实不值这么多（所涉及）的花费。
We need to examine all the costs involved in the project first.
我们首先应该仔细考虑与这一项目有关的所有费用。
The problem, needless to say, is the cost involved.
不用说，问题是所涉及的费用。
There's only a minimal amount of risk involved.
所冒的风险极小。
I weighed the benefits of the plan against the risks involved.
我认真权衡了这个计划的优点和有关的风险。
Everybody should be made aware of the risks involved.
应该让人人都知道其中的风险。
There was an almost complete lack of awareness of the issues involved.
对有关问题几乎是一无所知。
History and English could be presented through the lens of the psychological drives of the people involved.
历史和英语可以通过相关人员的心理驱动来呈现。
六级真题- 2018年 6月 1卷 信息匹配