What is the Arabic spelling for no one understands?

There isn't one single perfect translation for "no one understands" in Arabic, as the best way to express it depends on the context and nuance you want to convey. Here are a few options, with slightly different connotations:

* لا أحد يفهم (lā aḥad yafham): This is a very literal translation and is generally understood. It means "no one understands."

* لا يفهم أحد (lā yafham aḥad): This is grammatically similar to the above, just with a slightly different word order. The meaning is identical.

* For a more emphatic or emotional rendering, you might use something like: لا أحد يستوعب (lā aḥad yasta'wib) which translates to "no one comprehends" implying a deeper level of understanding is lacking. Or لم يفهم أحد (lam yafham aḥad) meaning "no one understood" (past tense, implying a past event).

The best choice depends on the specific situation. If you can provide more context, I can help you choose the most appropriate phrasing.