Italian → English
▻ obstacle
/BrE ˈɒbstək(ə)l 
, AmE ˈɑbstək(ə)l /
noun
ostacolo m (also )
to be an obstacle to sth (accidentally) essere un ostacolo per or essere di ostacolo a qcs; (deliberately) ostacolare qcs
to put an obstacle in the way of sth ostacolare qcs
to put an obstacle in sb's way mettere i bastoni tra le ruote a qcn
partition is the chief obstacle in the talks la divisione è l'ostacolo principale delle trattative