'hardly go wrong' is a correct and usable phrase in written English.
You can use it when you need to express the idea that something is very likely to be successful or correct. For example: "Following this approach, you'll hardly go wrong."
Whichever you happen to choose, you can hardly go wrong.
With this level of luxury, an attendee can hardly go wrong.
If we stick to what we enjoy, we can hardly go wrong.
With a soundtrack of live Brown performances, they could hardly go wrong.
And beyond the incomparable Jay Peak vistas, you can hardly go wrong no matter where you travel.
The principle and basic technique remain the same, and you can hardly go wrong: the proportions are two parts water (or other liquid) to one part sugar.
No power requirement 2. No quality control is required 3. Simple operational mechanism that hardly goes wrong 4. Safe from the danger of intermittent usage 5.
And above all, use your values and beliefs to guide you -- if we maintain our integrity, we can hardly ever go wrong.
For conservationists, Russia's melding of nuclear power and offshore oil drilling is hardly an assurance that nothing will go wrong, in light of the blowout on the Deepwater Horizon drilling rig in the Gulf of Mexico and the Fukushima disaster in Japan.
Mr. Tyelkov, a strapping 32-year-old from Moscow, invested nearly his last ruble to open a wholesale upholstery business that could hardly have gone wrong in Russia: selling leopard-print fabrics.
Set amid a generous group of popular Phish songs — gentle, string-cushioned ballads like "Brian and Robert" and "Let Me Lie," as well as the audacious, intricate instrumentals "Guyute Orchestral" and "You Enjoy Myself" — the new piece could hardly have gone wrong.
