Such a person may be called a "daydreamer."

VOA: special.2009.03.08

But the problem of one's being called to be a great poet is that one may have an inkling or some sense of a promise of future greatness but nothing really to show for it yet.

但是一个人被召唤去变成伟大诗人的问题在于,他可能会有一丝感觉他将来必定是伟大的,但还没有什么能够真正表明这一切。

耶鲁公开课 - 弥尔顿课程节选

By supporting nuclear energy, the president may be seeking common ground with Republicans who have called for building as many as one hundred new nuclear power centers.

VOA: special.2010.02.19

For example, there may be a correlation between maternal mortality and Caesarean births, or so-called "C-Sections."

VOA: standard.2010.06.23

Although many so-called "new" artists are veteran performers, the rules stipulate they may be considered if they achieved a significant breakthrough during the current eligibility period.

VOA: standard.2010.01.25