I wouldn't trust (someone) as far as I could throw (them)

I wouldn't trust (someone) as far as I could throw (them)

I do not trust that person at all. You want me to tell our plans to Jill? I wouldn't trust Jill as far as I could throw her.
See also: could, far, throw, trust
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

not trust someone as far as you could throw them

If you say that you would not trust someone as far as you could throw them, you mean that you do not trust them at all. He may look innocent, but I wouldn't trust him as far as I could throw him. Note: People sometimes use can instead of could. The government says that it is green, but I wouldn't trust them as far as I can throw them.
See also: could, far, not, someone, throw, trust
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012

trust someone as far as one could throw him, not to/I wouldn't

An indication of profound mistrust. This hyperbolic metaphor dates from about 1870 and presumably alludes to an individual too heavy to pick up and toss (in other words, not a small child).
See also: could, far, not, one, someone, throw, to, trust
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer
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