浪荡 can be translated to "rascal" or "vagrant" in English. It comes from the Chinese word 浪, which means "to wander aimlessly" or "to be unruly or undisciplined."

Here are some example sentences in English and their translations:

He was a rascal as a child, always getting into trouble. (他小时候很浪荡，总是惹事生非。)

She was a vagrant, living on the streets and begging for money. (她是个流浪汉，在街上过着流浪的生活，向人乞讨钱财。)

The rascal stole food from the store. (那个浪荡的家伙从商店里偷了东西。)

Note: It's important to use these words carefully and not to use them to label or stereotype people.