| 短语 | crack down on |
| 释义 | crack down on informal take severe measures against 〈非正式〉对…采取严厉措施; 镇压; 制裁： we need to crack down hard on workplaces that break safety regulations. 我们必须严惩不守安全规则的工场。 crack down on严加取缔;镇压：We should crack down on gambling，for many people have been ruined by it. 我们应当严厉取缔赌博，因为许多人都被它毁掉了。 |
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