Translating French to Arabic

Hello , i’m translating site from french to arabic , i found something weird in the slider like this : ! {:fr}Un accueil chaleureux et confortable{:}{:ar}???? ????? ??? ????????? ????? ?????? ???????? {:}
{:fr}Un accueil chaleureux et confortable{:}{:ar}???? ????? ??? ????????? ????? ?????? ???????? {:}
, can you please help me to kow why that display in slide instead of must be separating between arabic and french … better regards

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