资料来源 : pyDict

随意将音符长度增减的

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

Rubato \Ru*ba"to\, a. [It.]
   Robbed; borrowed.

   {Temple rubato}. [It.] (Mus.) Borrowed time; -- a term
      applied to a style of performance in which some tones are
      held longer than their legitimate time, while others are
      proportionally curtailed.

资料来源 : WordNet®

rubato
     n : a flexible tempo; not strictly on the beat