capriciousness
🇺🇸
/kəˈprɪʃəsnəs/
🇬🇧
/kəˈprɪʃəsnəs/
Being unpredictable and changing one's mind often without a clear reason
Her capriciousness made it hard to plan anything with her.
她的反复无常让与她计划任何事情都变得困难。