那个富商被指控肆意解雇员工，毫无正当理由。

The wealthy businessman was accused of ___wantonly firing employees without any valid reason.

她在派对上穿着暴露，随意地与陌生人调情。

She dressed provocatively and flirted ___wantonly with strangers at the party.

这个富二代毫不犹豫地肆意购买了十辆豪车。

The rich kid ___wantonly bought ten luxury cars without hesitation.