protracted russian

• дли́тельный

  long, protracted, prolonged, lingering

• затя́гиваться

  prolonged, protracted, extended, be tightened, jam, cover, grow overcast, be covered with clouds, skin over, be delayed, be dragged out, drag on, be drawn out, inhale

• затяжно́й

  prolonged protracted

• затяну́вшийся

  prolonged, protracted