obstruct

1.~ sth阻挡；阻塞；遮断to block a road, an entrance, a passage, etc. so that sb/sth cannot get through, see past, etc.

2.~ sb/sth（故意）妨碍，阻挠，阻碍to prevent sb/sth from doing sth or making progress, especially when this is done deliberately

1.堵[阻]塞;遮住;妨碍;阻挠;(给...)设置障碍

1.to block a path, passage, door, etc. so that it is difficult or impossible for someone or something to move along or through it; to physically prevent someone or something from moving along or through a path, passage, door, etc. by blocking it; to prevent you from seeing something by being between you and the object that you want to see

2.to take action in order to prevent someone from doing something or to prevent something from happening