in deep water


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in deep water

Fig. in a dangerous or vulnerable situation; in a serious situation, especially one that is too difficult or is beyond the level of one's abilities; in trouble. John is having trouble with back taxes. He's in deep water. Bill got in deep water in algebra class. The class is too difficult for him, and he's almost failing.
See also: deep, water

in deep water

In difficulty.
See also: deep, water
References in periodicals archive ?
Many injured runners have recovered from injury and then kept right on training in deep water due to its advantages.
Even though tidal dissipation in deep water is plausible, he says, it's less clear that these rolling tides really drive circulation.
But every runner can run in deep water with the right float and a little practice.