complication [complications](act of complicating) noun [UK: ˌkɒm.plɪˈk.eɪʃ.n̩] [US: ˌkɑːm.pləˈk.eɪʃ.n̩]Her pregnancy was fraught with complications. = Su embarazo estuvo lleno de complicaciones.
hassle [hassles](action which is not worth the difficulty involved) noun [UK: ˈhæs.l̩] [US: ˈhæs.l̩]