crack down
US /kræk daʊn/
UK /kræk daʊn/
片語動詞
嚴厲打擊, 採取嚴厲措施
to take severe measures against something or someone
範例:
•
The police decided to crack down on illegal street racing.
警方決定嚴厲打擊非法街頭賽車。
•
The government plans to crack down on tax evasion.
政府計劃打擊逃稅行為。