Flap t in "seventy"

Kelly   Sat Jan 30, 2010 4:31 am GMT
20 and 90 have just an n sound.
30, 40, and 80 have a flap t.
50 and 60 have a t sound.
70 has a d sound.

//These make English pronunciation very tricky.
Uriel   Sat Jan 30, 2010 4:38 am GMT
You don't have to do that as a learner, if you don't want to. We understand careful pronunciation just fine! It'll just help you if you're trying to understand us natives....