impulse inertia

例句：

1. 1. The sudden urge to run caught him off guard.
   突然的冲动让他措手不及。
2. 2. She felt an intense impulse to help the stranger.
   她感到强烈的冲动去帮助那个陌生人。
3. 3. The decision was made based on a strong impulse.
   这个决定是基于强烈的冲动做出的。