英语四级经典必背500句：听力口语关键句52 52.Im stuck in a traffic jam. 四级词汇讲解: jam的本义是 果酱 ，而traffic jam意为 交通堵塞 。该题主要考查短语be stuck，意思是 被困住 。由于stuck是stick的过去式，考生需要留意其发音区别。 英语四级考点归纳： 考生需要特别注意常用的不规则动词。如: hide hid hidden bear bore born take took taken blend blent bIent draw drew drawn cast cast cast cling clung clung drive drove driven wake woke woken fall fell fallen bite bit bitten blow blew blown burn burnt burnt set set SCt deal dealt dealt feel felt felt 与交通有关的英语表达还有: These is heavy traffic on the road.马路上交通拥挤。 Traffic officials have urged residents to avoid the rush hour.交通部门要求居民避免在交通高峰时段出行。 The tunnel reduced congestion.这条隧道缓解了交通堵塞。