If Gilead is an idol, then they have been sacrificing cattle in Gilgal to no purpose. For even their altars are like clutter on the soil of the field
Other versions
King James Version
Is there iniquity in Gilead? surely they are vanity: they sacrifice bullocks in Gilgal; yea, their altars are as heaps in the furrows of the fields.English Standard Version
If there is iniquity in Gilead, they shall surely come to nothing: in Gilgal they sacrifice bulls; their altars also are like stone heaps on the furrows of the field.New International Version
Is Gilead wicked? Its people are worthless! Do they sacrifice bulls in Gilgal? Their altars will be like piles of stones on a plowed field.