I'm practicing two songs, but want to know what they mean.

wala laila by shereen and another moroccian song, it starts with yi shoo i ili

you mean: Sherine Wagdy - Wala Leila ? this one: http://www.youtube.com/watch?v=9pbw2m1_xwM ??
Please, check the sticky here, it has been already posted with translations to English and French: http://www.allthelyrics.com/forum/ar...bic-songs.html