No farther
  夠了,到此為止
  Far·ther, adv.
  1. At or to a greater distance; more remotely; beyond; as, let us rest with what we have, without looking farther.
  2. Moreover; by way of progress in treating a subject; as, farther, let us consider the probable event.
  No farther, (used elliptically for) go no farther; say no more, etc.
     It will be dangerous to go on. No farther !   --Shak.