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]