res·tive /ˈrɛstɪv/
  (a.)不願向前走的,倔強的,難駕御的
  Rest·ive a.  . Unwilling to go on; obstinate in refusing to move forward; stubborn; drawing back.
     Restive or resty, drawing back, instead of going forward, as some horses do.   --E. Philips (1658).
     The people remarked with awe and wonder that the beasts which were to drag him [Abraham Holmes] to the gallows became restive, and went back.   --Macaulay.
  2. Inactive; sluggish. [Obs.]
  3. Impatient under coercion, chastisement, or opposition; refractory.
  4. Uneasy; restless; averse to standing still; fidgeting about; -- applied especially to horses.
  -- Rest*ive, adv. -- Rest*ive*ness, n.
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  restive
       adj 1: being in a tense state [syn: edgy, high-strung, highly
              strung, in suspense(p), jittery, jumpy, nervy,
               overstrung, uptight]
       2: impatient especially under restriction or delay; "the
          government has done nothing to ease restrictions and
          manufacturers are growing restive"