hesitate、waver、vacillate的区别
hesitate
犹豫不决，短暂的停顿，常因不确定或害怕。
waver
摇摆不定，意志或决心不坚定，有反复变化的意思。
vacillate
反复无常，举棋不定，通常指反复改变想法或态度。
做决定
| Word | 持续时间 | 程度 | 使用场景 |
|---|
| hesitate | 短暂 | 轻微的犹豫 | 日常口语或正式场合均可 |
| waver | 较长，有反复 | 中度，动摇决心 | 表达心态或决心不稳定 |
| vacillate | 更长时间且反复无常 | 严重，反复摇摆 | 书面语较多，形容反复无常 |
❌ He vacillated for a second.
✅ He hesitated for a second.（vacillate 表示长时间犹豫，不用于短暂。）
❌ She hesitated between two options for days.
✅ She vacillated/wavered between two options for days.（短暂用 hesitate，长时间用 waver 或 vacillate。）
选择正确答案：She ___ before speaking because she was nervous.
A. hesitated
B. wavered
C. vacillated
选择正确答案：He ___ between two choices for several days.
A. hesitated
B. wavered
C. vacillated
选择正确答案：They ___ in their decision to move to a new city.
A. hesitated
B. wavered
C. vacillated
Extended Words
Tip 记住：hesitate 短暂犹豫，waver 动摇决心，vacillate 反复无常。