If you want my advice, never use any dictionary that enable you to translate any word into your language. Use (Cambridge or macmillian dictionary) and use it in American-English way.

Same advise as @Emad, if you dont want to get lost.

http://www.filedwon.info/vgjovx628j86/صخر.rar

http://www.islamicbulletin.org/arabic/ebooks/almawrid.pdf

I hope you find it useful

check this link:

http://ebncairo.blogspot.com/2014/02/ALWafi.Alzahby.html#.VJRasGoAKA

then click on 

لتحميل البرنامج مجانا من هنا