Geïrriteerde docent staande op podium tribune terwijl hij middelvinger op de camera toont - Stockfoto’s en -afbeeldingen

Panoramic shot of beautiful, serious lecturer pointing with hand while standing on podium tribune

Attractive, confident lecturer pointing with hand while standing on podium tribune

Attractive young lecturer standing on podium tribune and looking at papers

Selective focus of scared young lecturer, suffering from fear of public speaking, standing near microphone on podium tribune

Dissatisfied lecturer standing on podium tribune in conference hall and showing middle finger

Young lecturer suffering from speech anxiety standing on podium tribune with glass of water

Beautiful, positive lecturer holding glasses while standing on podium tribune

Confident lecturer gesturing while speaking into microphone on podium tribune

Attractive businesswoman holding microphone and talking during conference in conference hall

Attractive businesswoman standing and smiling during conference in conference hall

Businessman screaming in megaphone and gesturing near businesswoman with duct tape on mouth isolated on white

Back view of scared businessman in suit breathing in paper bag during conference

Attractive businesswoman standing and smiling during conference in conference hall

Back view of buyers looking at auctioneer and pointing with hand during auction

Businessman in suit standing at podium tribune and speaking during conference isolated on white

Selective focus of woman pointing with finger isolated on grey