not trust someone as far as one can throw him/her

not trust (someone) as far as (one) can throw (them)

To be very suspicious of someone; to not trust or believe someone. You want me to tell our plans to Jill? I don't trust Jill as far as I can throw her. The government is asking us to believe that they'll apply the new tax fairly, but I wouldn't trust them as far as I can throw them.
See also: can, far, not, throw, trust
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

not trust someone as far as one can throw him/her

He (or she) is extremely unreliable and untrustworthy. According to Eric Partridge, this seemingly modern phrase dates from about 1870, and it remains current.
See also: can, far, not, one, someone, throw, trust
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer
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