Vagaries are unexpected and unpredictable changes in a situation or in someone's behaviour which you have no control over.
例句
I take an assortment of clothes on holiday, as a provision against the vagaries of the weather.我带了各种衣服去度假,以防天气突变。...the perplexing vagaries of politics.复杂难解、变幻莫测的政坛风云
英汉词典释义
n.
异常行为;难以预测的情况
The style of vagary and ghastfulness and the sense of mystery are full of thestory of Allan.爱伦的小说风格奇特恐怖,充满了神秘感。
英英词典释义
Noun
1. an unexpected and inexplicable change in something (in a situation or a person's behavior, etc.);
"the vagaries of the weather""his wealth fluctuates with the vagaries of the stock market""he has dealt with human vagaries for many years"