(not) trust (someone) an inch

British & Australian

to not trust someone at all.

He's charming enough but I wouldn't trust him an inch.

• be down on your luck
• be down on your uppers
• be dressed to kill
• be dressed up to the nines
• bedroom eyes
• be dropping like flies
• be duck soup
• be duty bound
• be duty bound to do something
• be easy meat
• be easy on the ear
• be easy on the eye
• be economical with the truth
• beef up
• beef up something
• been around
• been around the block
• been had
• been there, done that
• be every inch
• be every inch something
• be fair game
• be falling apart at the seams
• be far and away
• be far and away the best