obstruct

To block or impede the passage, progress, or action of something; to deliberately hinder.

• obstruction/əbˈstrʌkʃən/(n)阻碍
• obstructive/əbˈstrʌktɪv/(adj)阻碍的

• obstruct justice
• obstruct the view
• obstruct progress
• obstruct traffic
• obstruction of justice

1. 1.The fallen tree obstructed the road, forcing drivers to take a detour. (block physically)
2. 2.He was charged with obstruction of justice for destroying evidence during the investigation. (hinder legal process)

• block/blɒk/— to prevent movement — simpler
• impede/ɪmˈpiːd/— to delay or prevent — more formal
• hinder/ˈhɪndər/— to make difficult

from Latin "obstruere" (to block up) — ob- (against) + struere (to build) — building something against, hence blocking