It looks like you’re asking for a helpful blog post about searching for the movie — specifically with terms like mshahdt (مشاهدة, meaning "watching"), mtrjm (مترجم, meaning "dubbed/subtitled"), and may syma (ماي سيما, a known streaming site).
If you need help finding the exact rental link with Arabic subs, drop a comment below — or search “The Big Wedding 2013 Arabic subtitles” on YouTube/Amazon and check the language settings.
Happy watching — and here’s to wedding comedies that actually make you laugh! Did this help? Share it with anyone else searching “mshahdt fylm The Big Wedding 2013 mtrjm”!