Dear Don,
I did not understand the following description , would you please explain them for me ? Thanks!
Reverse turn .
lady part.
(step )1, RF back, (foot work) TH, ... start to rise e/o 1 NFR ,( CBM )1 , sway St...
Is it correct if I understood that , the rise at the end of timing 1 on my right flat foot created by my body above the right ankle . No sway in 1. St means straight ?
Yiling

Yichen 1. Unfotunately the book cannot explain everything otherwise it would have as many pages as GONE WITH THE WIND
Your problem is probably centered around not understanding of how to apply NFR on one. It means what it says. At the end of one your foot is still flat on the floor. Stay on that foot and point your right foot to the side. As the man passes you can then follow him up. Not arriving before, and taking his center away from him. At that point the heel will have to leave the floor to close on two toes. The same applies to a Natural Turn. If man is on the inside of a turn he also has to contend with NFR. Ladies first step on a Feather Step in Foxtrot also has NFR. This allows the man to feel as if he is almost passing the lady on his second and third step. Just to be precise according to the book all the ladies backward steps have NFR but does have body rise. Having said that on that first step let the man pass, by moving out of the way still keeping contact. The person going foreward takes the straighter line. The one going backwards makes space. This is a Golden Rule. Best wishes.

When step 1 has NFR you also want to be sure that your weight does not move from the toe back into the heel until your forward partner's weight is moving from his heel forward into his toe.

I think I am so lucky to be able to learn from all of you. Thank for your kindness and professional knowledge.
Two months ago, when I accidentally "nailed" on my left weighted toe on 1 in feather step, I felt better contact and movement with my teacher. Because of that I did not understand why I should do that , I ignored it when I lost the feeling on next day.
Now , I should be make sure " to nail" my BW on my toe until his BW is traveling from his H to T when I go backward.

Yes, for step one you should not move your body weight back into your heel before you partner moves his foward into his toe.

However, this concern for not moving through the foot too quickly is somewhat unique to step one, or upswing actions. On the second step of something like a feather, the likely error is waiting too long to move the weight into the heel - it must arrive in the heel promptly but then stay supported, by pushing up out of the heel as the body floats over the foot rather than falling past it.

Step three actions are a little in between. As downswings, they shouldn't arrive in the heel too early, but like step two the period during which the toe is releasing and the weight is being supported by push up from the heel is critically important to creating a full, smooth movement.

The cycle is completed when we realize that the supported heel push/toe release from step three directly enables the controlled heel lowering and un-hurried arrival on the next step one.

Great thanks!Jon. You teaches me a lot.
I will keep the Golden Rule in my mind .