He was the kind of fellow you couldn't trust as far as you could throw him — Ему абсолютно нельзя было доверять She cannot be trusted as far as you can kick a block of concrete — Она была совершенно ненадежной особой
NOT TRUST SOMEONE AS FAR AS YOU COULD THROW ONE ETC
Англо-русский перевод NOT TRUST SOMEONE AS FAR AS YOU COULD THROW ONE ETC
New English-Russian dictionary of modern informal English. Новый Англо-Русский словарь современного неформального английского. 2012