2007.11.22 : This is indeed an involved sentence.
这真是个复杂难懂的句子。
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由动词involve演化而来的形容词involved，放在名词前和名词后有不同的含义。放在名词后使用，大多是这个词的本意“牵扯进来的、有关的、卷入的”（Connected by participation or association）；放在名词前使用，意思大多是“复杂的、不易懂的、难于解开的”（stresses confusion arising from the commingling of parts and the consequent difficulty of separating them）。
例句：
The plot of the play has been criticized as being too involved.
剧情节被批评为过分纠缠不清。
One of the companies involved is an SOE (state-owned enterprise).
牵扯到的公司中有一家是国企。（involved另一个含义的用法）
海纳百川，有容乃大；壁立千仞，无欲则刚。