block off

block off — 片語動詞

  • block offbase form
  • blocks off3rd person singular
  • blocking off-ing form
  • blocked offpast simple

1. to stop people or traffic from going through a road, entrance, or area by puttin

1.片語動詞及物B2
釋義

封住;封鎖

用障礙物封住入口或通道

to stop people or traffic from going through a road, entrance, or area by putting a barrier across it

例句

Police blocked off River Street after a truck hit the bridge.

卡車撞上橋後,警方封鎖了 River Street。

collocation: block off a street after an accident

Workers blocked off the side door while they repaired the steps.

工人修理階梯時,把側門封住了。

同義詞
  • close off

    neutral and very close in meaning, often used for roads or rooms

  • seal off

    stronger; suggests making entry completely impossible

  • cordon off

    often used when police keep people away with tape or barriers

反義詞
  • open up

    used when access becomes possible again

文法句型

block off + road/entrance/area

be blocked off

用法筆記

Often used for roads, doors, and public areas. The passive form is common when access is stopped for safety, repair work, or police control.

常見錯誤

Police blocked off from the road.
Police blocked off the road.
💡Put the road or entrance directly after the phrasal verb; do not add 'from'.