Vacillate between
在…之间动摇不定
🧩 词语组成解析
between
[bɪ'twin]
prep. 在…之间;私下，暗中;在…中任择其一;来往于…之间;
adv. 当中，中间;
🗣️ 情景例句
Do you want a flat-panel display?
你想要一个液晶显示器吗？
Worry kills more men than work.
忧虑比劳累更伤人。
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请在这儿签字以表明你已收到这笔钱。"