right-about
  (a.)adv向後轉,倒轉的倒轉,轉變,改變
  Right-a·bout n.  A turning directly about by the right, so as to face in the opposite direction; also, the quarter directly opposite; as, to turn to the right-about.
  To send to the right-about, to cause to turn toward the opposite point or quarter; -- hence, of troops, to cause to turn and retreat. [Colloq.]
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