i cant find a site for mandarin lesson, and also a dictionary(mobile). may you suggest some site teaching mandarin. xiexie. :)
http://www.google.com/search?q=mandarin+lesson&rlz=1C1AVSX_enUS414US423&oq=mandarin+lesson&aqs=chrome..69i57j0l5.625j0&sourceid=chrome&espvd=210&es_sm=122&ie=UTF-8
http://www.google.com/search?q=mandarin+lesson&rlz=1C1AVSX_enUS414US423&oq=mandarin+lesson&aqs=chrome..69i57j0l5.625j0&sourceid=chrome&espvd=210&es_sm=122&ie=UTF-8#es_sm=122&q=mandarin+dictionary