wanton

她因为放荡的生活方式而声名狼藉。

She became notorious for her ___wanton lifestyle.

她肆无忌惮地花钱在名牌包包上，让所有人都感到震惊。

Her ___wanton spending on designer handbags left everyone astonished.

这种肆意破坏公共财产的行为是不可接受的。

This act of ___wanton vandalism against public property is unacceptable.