Wiktionary
vb. 1 (context transitive English) To improve a prototype, or first draft. 2 (context transitive slang English) To physically attack in order to cause injury.
WordNet
Usage examples of "work over".
Either he begins the whole work over again from the beginning or else takes no notice at all.
I am nothing but a poor lonely old maid, who's been used to children all her life, and likes nothing better than to work over them.
She could take the job, and then turn most of the work over to Art, and to whatever staff they gave her.
Editors do their work over the lunch table and maybe so, in a way, does Colmer.
Officers swelled and strutted hither and thither, and negro servants loitered around, striving to spread the least amount of work over the greatest amount of time.
Rand was pleased to see her hard at work over reports of grain shipments and resettlement of refugees and repairs to damage from what some Cairhienin were calling the Second Aiel War, in spite of every effort to name it the Shaido War.
The collar came loose, and Setalle fell back on her heels, but Joline continued to jerk and whimper, and her Warders continued to work over her as though trying to rub away cramps.
Nobody's gonna be doing any work over there for a long time, and I'm afraid some of your buddies ain't gonna ever be doing it again, either.