observing russian

• за́просто

  (colloquial) Without ceremony without observing all the formalities in public life with ease

• замеча́вший

  was noticing

  was noting

  was observing

Examples

• Боб получа́ет удово́льствие от наблюде́ния за насеко́мыми.Bob derives pleasure from observing insects.
• Пира́т наблюда́л за мо́рем в свою́ подзо́рную трубу́.The pirate was observing the sea with his monocular.
• Мэри ду́мала, что Том не пришёл на пра́зднование Хэллоуина, но на самом де́ле он тайно наблюда́л за ней из-под ма́ски о́боротня.Mary thought that Tom wasn't at the Halloween party, but in fact he was secretly observing her from behind his werewolf mask.