capricious
🇺🇸
/kəˈprɪʃəs/
🇬🇧
/kəˈprɪʃəs/
adjective
R
acting or decided on a whim or impulse, unpredictable
The weather was capricious, changing from sunny to rainy in a matter of minutes.
天气变幻莫测，几分钟内就从晴朗转为下雨。
R
subject to sudden unpredictable change
The stock market can be capricious, with prices fluctuating wildly.
股市变幻莫测，价格波动剧烈。
translation
反复无常的, 多变的