Nahi (hana) yana da Siga (tsari) a harshen Larabci, kuma ita ce: لآ تَفْعَل ko لا يَفْعَل, kuma ma'anarta ita ce barin aiki ko kin aikata shi, ‘Alaa Wajh -il-Isti’laa’ (bisa tushen cewa ya fito daga iko mafi girma). Akwai Siyagh (tsare-tsare) bisa ga salon maganar Larabci wadanda ke tabbatar da barin aiki ko kaurace masa, kuma ana iya fahimtar ma'anar Nahi daga tsarin jimlolin. Ana iya taƙaita siffofin Nahi kamar haka:

The Nahi (forbiddance) has a Seeghah (form) in the Arabic language and it is: لآ تَفْعَل or لا يَفْعَل and it means to leave or not do the action ‘Alaa Wajh -il-Isti’laa’ (upon the basis that it has come from a higher authority). There are Siyagh (forms) in accordance to the styles of the Arabic speech that establish the leaving or refraining from the action and the meaning of the Nahi can be deduced from the composition of the sentences. It is possible to sum up the forms of the Nahi as follows:

1- Tsarin لَا تَفْعَلْ ko لَا يَفْعلَ: wannan kamar faɗar Allah Ta'ala:

1- The form لآ تَفْعَلْ or لا يَفْعلَ This is like the Qawl of Allah Ta’Aalaa: