[dǎ jī]
strike; attack; crack down; hit; trip; swash; collision; verberation; blow
crack down on crime
打击刑事犯罪
a heavy blow
沉重的打击
struggle against serious crimes in the economic field; crack down on serious criminal activities in the economic field
打击经济领域的严重犯罪活动
crack down on speculation and profiteering
打击投机倒把活动
take strong measures against unhealthy tendencies; combat unhealthy tendencies
打击歪风