她一时兴起决定去巴黎旅行。

She decided to travel to Paris on a ___whim.

父母不应该纵容孩子的每一个突发奇想。

Parents should not indulge every ___whim of their children.

只是一时冲动让他买了那块昂贵的手表。

It was just a ___whim that made him buy the expensive watch.