| 单词 | 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 noun crackdownSee also crack |
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