not trust (one) an inch

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not trust (one) an inch

To not trust one at all. I've known Vick since we were kids, and I don't trust him an inch—he's always up to something.
See also: inch, not, trust
References in periodicals archive ?
I could reveal here the names of five players who regular tennis punters have learned not to trust an inch, but libel lawyers would be on to me quicker than a British Wimbledon exit.