1. 奇想：whimsicality 异想天开 | whimsy 奇想 | whine 发牢骚
2. 心情浮动：whimsicality 心情浮动 | whimsy 心情浮动 | whin 棘豆
3. 怪念头：hypocrisy 伪善 | whimsy 怪念头 | flimsy 站不住脚的
4. 异想天开的怪念头：Pediatrics 小儿科(就是儿科 不是内个小儿科啊) | Whimsy 异想天开的怪念头 | Eclair 法式点心
1. 奇思异想;不同寻常的行为
Whimsy is behaviour which is unusual, playful, and unpredictable, rather than having any serious reason or purpose behind it.
noun
1. the trait of acting unpredictably and more from whim or caprice than from reason or judgment
e.g. I despair at the flightiness and whimsicality of my memory
Synonym: flightinessarbitrarinesswhimsicalitywhimseycapriciousness
2. an odd or fanciful or capricious idea
e.g. the theatrical notion of disguise is associated with disaster in his stories
he had a whimsy about flying to the moon
whimsy can be humorous to someone with time to enjoy it