the point is that + http://www.talkenglish.com/lessondetails.aspx?ALID=2072
asked /?skt/
asks /?sks/
mitten
glottal can be used for mitten button
hawa‘ii
hitt‘ing gett‘ing
something = sump‘n
opens /‘?up?nz/
close 美/kloz/
if you practice too much it‘s sore
we usually with a d sound
nothing = nut‘n
if you have a british friend, they can ask .. and they can give you an intresting lesson
that is a shane‘s explanation
does that help you
I hope so 希望如此
原文：http://www.cnblogs.com/liyongguo/p/6998770.html