to prevent; to block

to obstruct; to hinder; to block; obstruction; hindrance

to stop; to resist; to obstruct

to thwart; to obstruct (sth)

to stop; to obstruct

to advise against; to dissuade

to be obstructed; to be hindered

(literary) long and arduous (road)

to block; to prevent by force

to block; to obstruct