Very important statement , Must read before going further

 As-salaamu-a-laykum…

Bismillaahir rahmaanir raheem

Very important statement , Must read before going further

It is not required to perform salah (Prayer)(Namaz) in arbi language, do ibadat or prayer in your own language which you are understand

Saudi arabian understand arbi language that is why Quran revealed in arbi language if Hazrat Muhammad sallallahu alayhi wa sallam understand some other languages then allah would revealed quran in other languages

Prophet ibraheem with full respect,Prophet musa with full respect, Prophet isa with full respect doesn’t know arbi language it means they will not go to jannah, they will
Please do ibadah in your own language which you are understand

Prophet Muhammad sallallahu alayhi wa sallam prohibited to perform salah (prayer)(namaz) if you don't understand what you are saying 

Reference: 

Please understand the reference 

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Indeed, We have sent it down as an Arabic Qur'an that you might understand.
Chapter 12 surah Yusuf verse 2

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Narrated Anas:
The Prophet (ﷺ) said, "If anyone of you feels drowsy while praying, he should sleep till he understands what he is saying (reciting).

Sahih al-Bukhari 213 

Book 4, Hadith 79

Vol. 1,Book 4, Hadith 212

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Narrated `Aisha:
Allah's Messenger (ﷺ) said, "If anyone of you feels drowsy while praying he should go to bed (sleep) till his slumber is over because in praying while drowsy one does not know whether one is asking for forgiveness or for a bad thing for oneself."

Sahih al-Bukhari 212 

Book 4, Hadith 78

Vol. 1,Book 4, Hadith 211