on shaky ground

(redirected from On Dangerous Ground)
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on shaky ground

Questionable or lacking support, as of an idea. His hypothesis has been on shaky ground to since the beginning, so I'm not surprised that he couldn't prove it in the lab.
See also: ground, on, shaky

on shaky ground

 and on dangerous ground
Fig. [of an idea or proposal] on an unstable or questionable foundation; [of an idea or proposal] founded on a risky premise. When you suggest that we are to blame, you are on shaky ground. There is no evidence that we are at fault. The case for relying solely on nuclear energy seems to be on dangerous ground.
See also: ground, on, shaky
References in classic literature ?
Burch was about to tread on dangerous ground, she hastily asked her if one had to change cars many times going from Riverboro to Syria.
He was unwilling to leave her while they were still on dangerous ground.