sit in judgement

sit in judgment of (someone or something)

1. Literally, to sit as a juror in order to decide if someone is guilty of something or not. The defendant's notoriety made it difficult to find anyone who could sit in judgment of him without bias.
2. By extension, to make a judgment about someone for something he or she has done. The defendant's notoriety made it difficult to find anyone who could sit in judgment of him without bias.
3. To judge the merits of something. You shouldn't sit in judgment of video games if you've never tried them before.
See also: judgment, of, sit

sit in ˈjudgement (on/over somebody)

(especially British English) (American English usually sit in ˈjudgment (on/over somebody)) judge or decide if somebody is wrong or right, even if you have no right to do so: What gives you the right to sit in judgement over us?
See also: judgement, sit