DICT.TW Dictionary Taiwan

 vac·il·late /ˈvæsəˌlet/
 (vi.)游移不定,躊躇,猶豫,搖擺

 Vac·il·late v. i. [imp. & p. p. Vacillated p. pr. & vb. n. Vacillating.]
 1. To move one way and the other; to reel or stagger; to waver.
    [A spheroid] is always liable to shift and vacillatefrom one axis to another.   --Paley.
 2. To fluctuate in mind or opinion; to be unsteady or inconstant; to waver.
 Syn: -- See Fluctuate.
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 vacillate
      v 1: be undecided about something; waver between conflicting
           positions or courses of action; "He oscillates between
           accepting the new position and retirement" [syn: hover,
            vibrate, oscillate]
      2: move or sway in a rising and falling or wavelike pattern;
         "the line on the monitor vacillated" [syn: fluctuate, waver]