The teachers say the tests for 14-year-olds are misconceived.

老师们说这些测试不适合14岁的孩子。

It says the whole question is misconceived.

它说整个问题是一个误解。

He completely misconceived my meaning.

他完全误解了我的意思。

But perhaps the whole exercise is misconceived.

但也许整个的运用都被误解了。

The specific proposal seems to me misconceived.

在我看来，该提案是错误的。