President de Klerk left vague what he means by a transitional government.

The way to fulfill these promises is left deliberately vague.

The definition of the term "energy" was left deliberately vague.

The specific responsibilities of the prime contractors have so far been left vague.

Just what kind of help he has in mind was left vague.

The details, like much else in this documentary, are left vague but the important things come through.

Exactly how this power would be exercised was always left a bit vague.

The settlement left vague how the items would be disposed of.

The passage of time is left entirely vague in these narratives.

What that "everything else" meant and when it might happen was left vague.