Arabic translation of unless is 
ما لم يكن

Translate unless into other languages

• in Hausa sai dai idan
• in Hebrew אלא אם כן
• in Igbo ọ gwụ
• in Maltese kemm-il darba
• in Somali haddii aan
• in Swahili isipokuwa
• in Yoruba ayafi
• in Zulu ngaphandle
• in Amharic ካልሆነ
• in Chichewa kupatulapo