bark up wrong tree

miscalculate misconstrue misunderstand overestimate overrate underestimate

dogmatize err misapprehend misconceive mistake prejudge presume presuppose stumble suppose underrate

be misled be overcritical be partial be unfair be wrong come to hasty conclusion drop the ball miscomprehend misconjecture misdeem misreckon miss by a mile misthink put foot in

get perceive understand

comprehend disbelieve

figure judge well