严打yándǎ 1.严厉打击{strike severely; deal a telling blow to}: ～行业违法行为。{Deal a crushing blow to violations of law in various professions and trades.} 2.严厉打击刑事犯罪活动的简称{Abbr. for 严厉打击刑事犯罪活动yánlì dǎjī xíngshì fànzuì huódòng}: 深入开展～斗争。{Deepen the campaign to deal crushing blows to criminal activities.}