changes in somebody/something that are difficult to predict or control 奇思遐想;游移不定;变幻莫测 All farmers are exposed to the vagaries of the weather. 所有农民都会受到变幻莫测的天气影响。 Their wealth fluctuates with the vagaries of the stock market. 他们的财富随着股票市场的变化而波动。
Word Originlate 16th cent. (also as a verb in the sense ‘roam’): from Latin vagari ‘wander’.