| 短语 | crack down (on sb/sth) |
| 释义 | ˌcrack ˈdown (on sb/sth)to try harder to prevent an illegal activity and deal more severely with those who are caught doing it竭力取缔；严厉打击；镇压Police are cracking down on drug dealers.警方正在严厉打击毒品贩子。related nouncrackdown |
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