To answer this question accurately, I need more context about what you mean by "الواجب ترافرها في النقايسه". Could you please provide more information or rephrase your question?
However, I can provide some general information about the concept of "واجب ترافرها" and "النقايسه".
واجب ترافرها is an Arabic phrase that can be translated to "duty to cross" or "obligation to traverse". It could refer to a literal duty to cross a physical barrier, such as a bridge or river, or it could be a more metaphorical duty to overcome a challenge or obstacle.
النقايسه is an Arabic word that can be translated to "measuring stick" or "standard". It could refer to a literal tool used for measuring, or it could be a more metaphorical standard or benchmark.
Without more context, it is difficult to say for sure what the phrase "الواجب ترافرها في النقايسه" means. However, it is possible that it refers to the duty to uphold a standard or benchmark, or to overcome a challenge in order to meet a standard.
Here are some possible interpretations of the phrase:
The duty to uphold a standard of excellence.
The obligation to overcome challenges in order to meet a certain standard.
The need to traverse a metaphorical measuring stick in order to achieve something.
If you could provide more information about the context in which you heard this phrase, I might be able to give you a more specific answer.