Dreye權威釋義|vacillate

vi.

動搖；猶豫；躊躇[（+between）]
She is vacillating between hope and fear.
她一會兒充滿希望一會兒深懷恐懼，如此反覆不已。
搖擺；波動

n. [C][U]

vacillation

同義參見:

以上來源於：《英漢大辭典》

/ˈvasɪleɪt/

v.

waver between different opinions or actions.

C16 (earlier (ME) as vacillation), in the sense ‘sway unsteadily’: from L. vacillat-, vacillare ‘sway’.

以上來源於：《簡明牛津英語詞典》