The /l/ sounds should not be a problem for you: you have very close /a+l/ /e+l/ /i+l/ /o+l/ /u+l/ sequences in Chinese "nA3 Li", "zhE Li", "meI Li", "guOLian", and "hULusi". "*Dead" is not a Spanish word. As to the /a+d/, /e+d/ in "amad", "sed", "comed", you have close /a+d/ and /e+d/ Chinese sequences in "huA Dòng", "hóng sE De". Just restructure the syllables (say > nal-i, zhel-i, ... huad-ong, sed-e, etc.) and assimilation will do the rest. If you can pronounce "huad", "sed", you will also be able to produce reasonable versions of "to+mád", "co+méd", etc. Good luck!

Try an espanol CD :D

发完前面那个音以后舌尖迅速抵住上颚，就是上牙龈根部，让气流从舌头两边出来，你的大舌音是怎么发的？我对大舌音是深感无力啊。。。。 T T