Definition: when you suddenly want to do something without having a reason Level: C2
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.
