大肆

wantonly / without restraint (of enemy or malefactor) / unbridled

see 大夫[dai4 fu5]

big; large; great / older (than another person) / eldest (as in 大姐[da4 jie3]) / greatly; freely; fully / (dialect) father / (dialect) uncle (father's brother)

four (banker's anti-fraud numeral) / unrestrained / wanton / (literary) shop

to advocate vociferously

to vilify sb wantonly / unrestrained attack (on sb)