I wouldn't trust (someone) farther than I could throw (them)
I do not trust someone at all. You want me to tell our plans to Jill? I wouldn't trust Jill farther than I could throw her. The government is asking us to believe that they'll apply the new tax fairly, but I wouldn't trust them farther than I could throw them. I wouldn't trust Ed farther than I could throw him, so you better not tell him our secret!
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.