pronounce upon
phrasal verbpronounce on/upon something  
- (formal) to state your opinion on something, or give a decision about something就…表态(或作决定) - He feels able to pronounce on all kinds of subjects.他觉得能够对各种各样的问题发表意见。 
- The minister will pronounce on further security measures later today.今天稍后,部长将发表进一步的安全措施。 
- I do not feel competent to pronounce on this matter.我觉得我没有资格对此事发表意见。 
 
- He feels able to pronounce on all kinds of subjects.