phrasal verbphr vTTRSCPto completely close something such as a road or an opening 封闭,封锁〔道路、入口等〕
Police blocked off the city centre streets.
警方封锁了市中心的街道。
The fireplace had been blocked off.
壁炉已经封起来了。
Examples from the Corpus
block off• When they did, traffic got worse; then they blocked it off and traffic improved.• The service block comes off at a right angle at the back and forms a sort of court where you arrive.• I saw the car away up the block, turning offFifth, probably coming back to inspect their work.• It's a good idea, but whyblock it off for certainlimited hours?• The ScarletLetterblocks went off in March.• They had blocked the street off, rather as if an armedsiege was in progress.• The cellblock stood just off the L-shaped charge room, a corridor almost completely without daylight.• It would be easy, Wheeler said, to block the ditch off to trap the pollutant.