Respuesta :
You only can cut a cloth once, and so you would check the measurement, double-check, etc, until you are certain it is in the right length before you cut
that is what it means
hope this helps
that is what it means
hope this helps
Answer:
(Sorry late answer)
I am chinese and I think it means you should always be serious and careful about what you do. Since you can only do it once, be very serious and don't be careless. You only live once, so try to do good always. It kind of like this saying in english called, "It better to be safe, then sorry."