can count on no hands v. phr. to be able to arrive at a total of only zero. (source: Double-Tongued Dictionary)
Further reading
What’s the origin of the phrase a country mile? Vida from Rochester, New York, says her husband often uses it, as in “go about a country mile and then make a left.” The expression goes back at least 300 years in the United Kingdom and has long meant...
The truism The cobbler’s children always go barefoot succinctly conveys the idea that people who take care of matters for others or are competent professionally may neglect the same things at home. A similar phrase in Spanish translates as “In...