Means "no problem" in Arabic, it can be used in its literal sense to
mean "no problem," or it can be used in a figurative sense to me "there's a huge problem, I don't know how to fix it, I'm not
even sure how big a problem it is, but I'm not going to tell you until I figure out my next steps." Usually delivered in an amiable tone with a can-do attitude. The next step beyond a mafi mushkila-sized problem is mushkila, which means "this problem is so big I'm not
even gonna bother trying to hide it."