Here, there's just the vague threat of a libel suit.
Times, Sunday Times
But this kind of vague threat brazenly ignores two factors.
Times, Sunday Times
It's more of a twin-guitar looming, rising to a twin-guitar vague threat.
Times, Sunday Times
And a vague threat that guests might visit didn't qualify either.
Times, Sunday Times
Both seem to pose a vague threat to social order.
Times, Sunday Times