crack down
phrasal verbwithcrackverbuk/kræk/us/kræk/
C2
tostartdealingwithbadorillegalbehaviourin a moresevereway:
制裁;处罚;打击;镇压Thelibraryiscrackingdownonpeoplewholosetheirbooks.图书馆将严厉处罚丢书的人。
Preventing and impeding
- anti-jamming
- avert
- avoid
- avoidable
- bar
- be a drag onsomeone/somethingidiom
- bottleneck
- derail
- fireproof
- hang
- havesomeone/somethinghanging roundyourneckidiom
- head off
- hinder
- hogtie
- prevent
- preventable
- prevention
- prevention is better than cureidiom
- preventive
- scuttle