资料来源 : pyDict

转折点,契机

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Turning \Turn"ing\, n.
   1. The act of one who, or that which, turns; also, a winding;
      a bending course; a fiexure; a meander.

            Through paths and turnings often trod by day.
                                                  --Milton.

   2. The place of a turn; an angle or corner, as of a road.

            It is preached at every turning.      --Coleridge.

   3. Deviation from the way or proper course. --Harmar.

   4. Turnery, or the shaping of solid substances into various
      by means of a lathe and cutting tools.

   5. pl. The pieces, or chips, detached in the process of
      turning from the material turned.

   6. (Mil.) A maneuver by which an enemy or a position is
      turned.

   {Turning and boring mill}, a kind of lathe having a vertical
      spindle and horizontal face plate, for turning and boring
      large work.

   {Turning bridge}. See the Note under {Drawbridge}.

   {Turning engine}, an engine lathe.

   {Turning lathe}, a lathe used by turners to shape their work.
      

   {Turning pair}. See the Note under {Pair}, n.

   {Turning point}, the point upon which a question turns, and
      which decides a case.

资料来源 : WordNet®

turning point
     n 1: an event marking a unique or important historical change of
          course or one on which important developments depend;
          "the agreement was a watershed in the history of both
          nations" [syn: {landmark}, {watershed}]
     2: the intersection of two streets; "standing on the corner
        watching all the girls go by" [syn: {corner}, {street
        corner}]