crack down什么意思

Officers will crack down on lunatic motorists who speed or drive too close to the car in front.警察将会严厉打击超速或是紧贴前车行驶的疯狂司机。The police are really beginning to crack down on drivers who park their cars just where they like.警察真...

crack down的音标：crack down的英式发音音标为：[kræk daun]crack down的美式发音音标为：[kræk daʊn]...