Аман хууль, хорио цээр, табу, айдас, ёс зүй, ёс суртахуун, байгаль хамгаалал, хүнлэг сэтгэл, нүгэл, шашины дэг ёс 

In this article, we consider that prohibitions are trying to forbid human wrong actions through frightening them by mostly religious supernatural force but not through scientific explanation. In truth, much time we need to take immediately measures to protect our safety without any explanations.
In this case prohibitions are most convenient customs that traditionally conformed by ancestors. The word ''bad karma'' penetrated in Mongolian prohibitions to be afraid from it since Buddhism spread within Mongolian people. Although by the Buddhist doctrine any bad action has bad result in after death life, Mongolian prohibitions explain there is really the mysterious negative impact.
So we consider the word ''bad karma'' in Mongolian prohibitions means a frightful result.