uštéti se to miscalculate; to miscount; to reckon wrong; to be out in (ali with) one's reckoning; pogovorno to get (ali to take) the wrong sow by the ear, to back the wrong horse
močnó se je uštel he is well out in (ali with) his reckoning; he brought his eggs (ali his hogs) to a bad (ali the wrong) market