To venture at

to dare to engage in; to attempt without any certainty of success; as, it is rash to venture upon such a project.
- Waller.

See also: Venture

References in classic literature ?
I had several proposals made also to me about that time, to come into a gang of house-breakers; but that was a thing I had no mind to venture at neither, any more than I had at the coining trade.