1. 怪念头, 奇想：whole grain cereal 整粒谷物(食品) | whimsey 怪念头, 奇想 | air space porosity 空间孔隙度

2. 怪念头：whimper 呜咽 | whimsey 怪念头 | whimsical 心情浮动的

3. 怪念头/反复无常：whimper /抽抽噎噎地哭/带著声讲/啜泣/呜咽/ | whimsey /怪念头/反复无常/ | whimsical /古怪的/诙/

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: flightinessarbitrarinesswhimsicalitywhimsycapriciousness

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

Synonym: notionwhimwhimsy